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L.6.01.406
Magnetic resonance imaging (MRI) is a multiplanar imaging method based on an interaction between radiofrequency (RF) electromagnetic fields and certain nuclei in the body (usually hydrogen nuclei) after the body has been placed in a strong magnetic field. MRI differentiates between normal and abnormal tissues, providing a sensitive examination to detect disease. This sensitivity is based on the high degree of inherent contrast due to variations in the magnetic relaxation properties of different tissues, both normal and diseased, and the dependence of the MRI signal on these tissue properties.
MRI is a radiology technique that uses magnetism, radio waves, and a computer to produce images of body structures. The MRI scanner is a tube surrounded by a giant circular magnet. The patient is placed on a moveable bed that is inserted into the magnet. The magnet creates a strong magnetic field that aligns the protons of hydrogen atoms, which are then exposed to a beam of radio waves. This spins the various protons of the body, and they produce a faint signal that is detected by the receiver portion of the MRI scanner. The receiver information is processed by a computer, and an image is produced. The image and resolution produced by MRI is quite detailed and can detect tiny changes of structures within the body. For some procedures, contrast agents, such as gadolinium, are used to increase the accuracy of the images.
MRI of the brain is a proven and well-established imaging modality in the evaluation and assessment of normal and abnormal conditions of the brain. MRI of the brain is the most sensitive technique available because of its high sensitivity in exploiting inherent contrast differences of tissues as a result of variable magnetic relaxation properties and magnetic susceptibilities. MRI is a rapidly changing technology, and ongoing technical improvements will continue to improve MRI diagnosis of brain disorders.
Properly performed and interpreted, MRI not only contributes to diagnosis but also can guide treatment planning, help predict outcome, and increase diagnostic confidence. However, MRI should be performed only for a valid medical reason, and only after careful consideration of alternative imaging modalities. The strengths of MRI and other modalities should be weighed as to their suitability in particular patients and in particular clinical conditions.
Related medical policies are -
Provider Accreditation for MRI – Network Providers
All Network Providers billing the technical component of the MRI must be accredited in MRI by the Intersocietal Accreditation Commission (IAC) or a MRI module by the American College of Radiology (ACR) or RadSite. The professional component of the MRI will be reimbursed based upon the accreditation of the facility as the ACR, IAC or RadSite facility accreditations require that interpreting professional physicians also be accredited.
A. Magnetic resonance imaging (MRI) of the brain or head is considered medically necessary for the following additional indications:
Aneurysm or Arteriovenous Malformation (AVM) (known or suspected)
New onset of headache or any acute neurologic, motor or mental status changes (recent, acute, new or fluctuating) e.g., one sided weakness, paralysis, loss of muscle control, increased muscle tone, loss of muscle tone, gait disturbance, lack of coordination, ataxia, speech impairment, facial numbness, visual deficit
Screening for aneurysm in polycystic kidney disease, Ehlers-Danlos syndrome, fibromuscular dysplasia or aortic coarctation
Tumor or Rule Out Metastasis
Known tumor and new onset of headache
Follow-up for known tumor without acute, new or fluctuating neurologic, motor or mental status changes (adult low-grade infiltrative supratentorial astrocytoma, oligodendroglioma, anaplastic gliomas/glioblastoma, intracranial ependymomas, medulloblastoma and supratentorial primitive neuroectodermal tumors (PNET), meningiomas, brain metastases)
Known or suspected tumor or rule out metastasis with acute, new or fluctuating neurologic, motor or mental status change (e.g., one sided weakness, paralysis, loss of muscle control, increased muscle tone, gait disturbance, lack of coordination, ataxia, speech impairment, facial numbness, visual deficit)
Known or suspected pituitary tumor with clinical findings on physical exam (e.g., galactorrhea), neurologic findings (e.g., headaches, visual problems (loss, double), confusion, facial numbness, facial pain, dizziness) and/or lab abnormalities (e.g., elevated prolactin levels, low testosterone levels, growth hormone levels)
Known lung cancer, rule out metastasis and/or preoperative evaluation
As part of metastatic work-up
Congenital Abnormality (known or suspected)
Evaluation of macrocephaly or microcephaly in child >6 months of age
Known or rule out congenital abnormality with acute, new or fluctuating neurologic, motor or mental status changes (e.g., one sided weakness, paralysis, loss of muscle control, increased muscle tone, loss of muscle tone, gait disturbance, lack of coordination, ataxia, speech impairment, facial numbness, visual deficit, delayed speech, enlarged head circumference, developmental delay)
Surgical treatment for shunt placement (improve the flow of cerebrospinal fluid)
Surgical treatment for shunt malfunction or blockage
Follow-up shunt evaluation within 6 months or 1 year after placement and/or neurological symptoms
Evaluation of neurological symptoms of shunt malfunction or blockage (e.g., headache, vomiting, drowsiness, seizures)
Evaluation for brain maturation
Evaluation of acquired hydrocephalus
Evaluation of Neurological Deficits
Acute, new or fluctuating neurologic deficits including, but not limited to tingling (paresthesia), numbness of one side, spastic weakness (hemiparesis) of one side, paralysis, loss of muscle control, inability to speak, lack of coordination or mental status changes
Headache (Evaluation)
Sudden onset of a headache described as the worst headache of life or “thunderclap” type headache (concerned with aneurysm). Note: The duration of a thunderclap type headache lasts more than 5 minutes. A headache that lasts less than 5 seconds in duration is not neurological
New, severe unilateral headache with radiation to or from the neck, associated with suspicion of carotid or vertebral artery dissection
Acute, sudden onset of headache with personal or family history (parent, sibling or child of patient) of stroke, brain aneurysm or arteriovenous malformation (AVM)
History of cancer or HIV with new onset of headache
New onset of headache in pregnancy
Recurring or chronic headache with new presenting symptoms of change in character, severity or frequency associated with mental status change, seizure, syncope or focal neurological signs (e.g., ataxia, papilledema, visual field defects, nystagmus, gait disturbances, tingling (paresthesia), numbness of one side, one sided spastic weakness (hemiparesis), paralysis, loss of muscle control, gait disturbance, inability to speak, lack of coordination)
Recurring or chronic headache with recent symptoms of neurological deficits (e.g., one sided weakness, paralysis, loss of muscle control, increased muscle tone, loss of muscle tone, gait disturbance, lack of coordination, ataxia, speech impairments, facial numbness, visual deficit, tingling (paresthesia), numbness of one side, one sided spastic weakness (hemiparesis), inability to speak, lack of coordination)
Inflammatory Disease or Infection (known or suspected)
Endocarditis with suspected septic emboli
Intracranial abscess or brain infection with acute altered mental status or positive lab findings (e.g., elevated WBC’s) or follow-up assessment during or after treatment is completed
Inflammatory disease (e.g., vasculitis), sarcoid or infection associated with fever, stiff neck and positive lab findings (e.g., elevated white blood cells or abnormal lumbar puncture fluid exam)
Meningitis with positive physical findings (e.g., fever, stiff neck, positive lab findings (e.g., elevated white blood cells or abnormal lumbar puncture fluid exam))
Encephalitis with severe headache, altered mental status or positive lab finding (e.g., elevated WBCs)
Multiple Sclerosis (MS) (known or suspected)
Evaluation of changes in neurological symptoms or deficits (e.g., one sided weakness, paralysis, loss of muscle control, increased muscle tone, loss of muscle tone, gait disturbance, lack of coordination, ataxia, speech impairment, facial numbness, visual deficit)
Periodic scans to assess asymptomatic progression in multiple sclerosis during the course of disease
Exacerbation of symptoms
Monitoring the progress of MS to establish a prognosis or evaluation of response to treatment (e.g., Tysabri (Natalizumab) disease (known and suspected)
Baseline study evaluation of Parkinson’s disease
Evaluation of new onset of non-Parkinson’s symptoms complicating the evaluation of the current condition
Seizure Disorder (known or suspected)
Seizure with new onset
Seizure with increasing frequency and severity
Epilepsy refractory to medical management
Stroke (known or suspected)
Symptoms of transient ischemic attack (TIA), episodic symptoms with normal carotid studies (may be tumor or Multiple Sclerosis (MS))
Known or rule out stroke with acute, new or fluctuating neurologic motor or mental status changes (e.g., one sided weakness, paralysis, ataxia, speech impairment, facial numbness, visual deficit)
Trauma (known or suspected)
Trauma or injury to the head with documentation of one or more of the following (acute, new or fluctuating):
Focal neurologic findings (e.g., ataxia, papilledema, visual field defects, nystagmus, gait disturbances)
Motor changes
Mental status changes
Amnesia
Vomiting
Seizures
Signs of increasing intracranial pressure (e.g., headaches, seizures, nausea, vomiting, blurred vision)
Skull fracture by physical exam and positive x-ray findings (computed tomography (CT))
Evaluation (related to neurosurgical procedures)
Initial follow-up of suspected or known post-operative complications
Follow-up study for evaluation of progress after treatment, procedure, intervention or surgery (documented medical reason for additional imaging, including type or MRI and area for evaluation)
Evaluation of suspected acute subarachnoid hemorrhage (SAH)
Initial evaluation of a cholesteatoma
Initial imaging of a suspected or known Arnold Chiari Malformation
Optic neuritis
Initial brain evaluation for known syrinx or syringomyelia
Tinnitus (constant ringing in one or both ears), hearing loss and an abnormal audiogram (concerned with tumor or Menieres disease)
Acuteonset or asymmetrical sensoryneurological hearing loss
Vertigo associated with headache, blurred or double vision or change in sensation after full neurologic examination and initial work-up
Change in mental status, with a mini-mental status score (MMSE) of less than 25 and a complete metabolic workup (e.g., urinalysis, thyroid function testing, complete blood count)
Abnormal eye findings on physical neurologic examination (e.g., papilledema, nystagmus, ocular nerve palsies, visual field deficit)
Anosmia (loss of smell), documented by objective testing
Follow-up for known hemorrhage, hematoma or vascular abnormalities related to the head/brain
For evaluation of known or suspected cerebrospinal (CSF) leakage
Developmental delay
Evaluation of headache with suspected intracranial complication of sinusitis and/or mastoiditis
Evaluation of child 24 months of age or younger, with suspected head trauma by history and/or injury
Evaluation of cranial nerve disorder
Evaluation of congenital and acquired neurodegenerative disorder
Evaluation of metabolic and endocrine when central nervous system (CNS) dysfunction is suspected
Evaluation of diffuse axonal injury
Evaluation of trauma and post-traumatic brain injury
B. Magnetic resonance imaging (MRI) of the brain and head is considered not medically necessary for all other indications, including when performed for screening purposes in asymptomatic patients (absence of signs, symptoms, or disease).
State Health Plan (SHP) Members:This policy applies to MRI of the head and brain when performed in the emergency room and in non-emergency room settings.
The coverage guidelines outlined in the Medical Policy Manual should not be used in lieu of the Member's specific benefit plan language.
Reimbursement for MRI imaging of the same anatomical area is generally limited to one (1) MRI imaging within a 6-month period. MRI imaging in excess of one (1) within a 6-month period will be subject to medical necessity review. Documentation should include radiology reason for study, radiology comparison study-date and time, radiology comparison study observation, radiology impression, and radiology study recommendation.
Additional MRI imaging of the same anatomical area may be appropriate for the following, including, but not limited to: diagnosis, staging or follow-up of cancer, follow-up assessment during or after therapy for known metastases, follow-up of member who have had an operative, interventional or therapeutic procedure (e.g., surgery, embolization), reevaluation due to change in clinical status (e.g., deterioration), new or worsening clinical findings, (e.g., neurologic signs, symptoms), medical intervention which warrants reassessment, reevaluation for treatment planning, follow-up during and after completion of therapy or treatment to assess effectiveness, and evaluation after intervention or surgery.
Re-imaging or additional imaging due to poor contrast enhanced exam or technically limited exam is the responsibility of the imaging provider.
Medically Necessary is defined as those services, treatments, procedures, equipment, drugs, devices, items or supplies furnished by a covered Provider that are required to identify or treat a Member's illness, injury or Mental Health Disorders, and which Company determines are covered under this Benefit Plan based on the criteria as follows in A through D:
A. consistent with the symptoms or diagnosis and treatment of the Member's condition, illness, or injury; and
B. appropriate with regard to standards of good medical practice; and
C. not solely for the convenience of the Member, his or her Provider; and
D. the most appropriate supply or level of care which can safely be provided to Member. When applied to the care of an Inpatient, it further means that services for the Member's medical symptoms or conditions require that the services cannot be safely provided to the Member as an Outpatient.
For the definition of medical necessity, “standards of good medical practice” means standards that are based on credible scientific evidence published in peer-reviewed medical literature generally recognized by the relevant medical community, and physician specialty society recommendations, and the views of medical practitioners practicing in relevant clinical areas and any other relevant factors. BCBSMS makes no payment for services, treatments, procedures, equipment, drugs, devices, items or supplies which are not documented to be Medically Necessary. The fact that a Physician or other Provider has prescribed, ordered, recommended, or approved a service or supply does not in itself, make it Medically Necessary.
05/19/2014: New policy added. Approved by Radiology Physician Advisory Committee and Medical Policy Advisory Committee. Effective 08/15/2014.
06/30/2014: Policy Exceptions section updated regarding SHP members to state that this policy applies to MRI of the head and brain when performed in the emergency room and in non-emergency room settings.
09/26/2014: Added ICD-9 Diagnosis codes 432.0 - 432.9, 433.00 - 433.01, 433.10 - 433.11, 433.20 - 433.21, 433.30 - 433.31, 433.80 - 433.81, 433.90 - 433.91, 434.00 - 434.01, 434.10 - 434.11, 434.90 - 434.91, and 436 to the Code Reference section.
10/21/2014: Added ICD-9 diagnosis codes 253.3, 345.00-345.81, and 780.39 to the Code Reference section.
11/13/2014: Policy statement updated to add acute onset or asymmetrical sensory neurological hearing loss as a medically necessary indication. Added ICD-9 diagnosis code 389.16 to the Code Reference section.
05/07/2015: Added ICD-9 diagnosis code range 346.90 - 346.93 to the Code Reference section.
08/31/2015: Medical policy revised to add ICD-10 codes. Extended ICD-9 diagnosis code 780.0 to the fifth digit (780.02).
03/10/2016: Code Reference section updated to add ICD-9 diagnosis code V10.85 and ICD-10 diagnosis code Z85.841.
05/23/2016: Added ICD-10 diagnosis code R41.3 to the Code Reference section.
06/08/2016: Policy number L.6.01.406 added. Policy Guidelines updated to add medically necessary definition.
09/30/2016: Code Reference section updated to add the following new ICD-10 diagnoses: H93.A1 - H93.A9, I69.010 - I69.019, I69.110 - I69.119, I69.210 - I69.219, I69.310 - I69.319, I69.810 - I69.819, I69.910 - I69.919, S02.101A - S02.101S, S02.102A - S02.102S, S02.109A - S02.109S, T85.730D, T85.730S, T85.731A - T85.731S, T85.735A - T85.735S, T85.738A - T85.738S, and T85.810A - T85.810S.
07/25/2017: Code Reference section updated to add ICD-10 diagnosis codes E22.0 and E22.1.
09/29/2017: Code Reference section updated to revise description for ICD-10 diagnosis code I63.22. Removed deleted ICD-10 diagnosis codes I69.01, I69.11, I69.21, I69.31, I69.81, I69.91, S02.10XA, S02.10XB, S02.10XD, S02.10XG, S02.10XK, S02.10XS and ICD-9 diagnosis code 438.0.
09/11/2018: Code Reference section updated to add ICD-10 diagnosis codes H53.40 - H53.489.
10/01/2018: Code Reference section updated to add new ICD-10 diagnosis codes I63.81, I63.89, and I67.858.
09/24/2019: Code Reference section updated to add new ICD-10 diagnosis codes Q79.60, Q79.61, Q79.62, Q79.63, and Q79.69, effective 10/01/2019.
10/21/2019: Code Reference section updated to add ICD-10 diagnosis code E75.25. Removed deleted ICD-10 diagnosis codes I63.8 and Z04.8. Removed ICD-9 diagnosis code V71.6. Revised ICD-10 diagnosis code range S02.110A - S02.19XS to only include codes applicable to this policy.
12/20/2019: Code Reference section updated to add ICD-10 diagnosis codes R94.02 and Z45.42.
09/25/2020: Code Reference section updated to add new ICD-10 diagnosis codes G40.42, G40.833, G40.834, G71.20, G71.21, G71.220, G71.228, G71.29, H55.82, R51.0, and R51.9, effective 10/01/2020.
10/01/2021: Code Reference section updated to add new ICD-10 diagnosis codes G92.00 - G92.9 and S06.A0XA - S06.A1XS, effective 10/01/2021.
09/30/2022: Policy Guidelines updated to change "Nervous/Mental Conditions" to "Mental Health Disorders" and "Medically Necessary" to "medical necessity." Code Reference section updated to add new ICD-10 diagnosis codes S06.2XAA, S06.2XAD, S06.2XAS, S06.30AA, S06.30AD, S06.30AS, S06.38AA, S06.38AD, S06.38AS, S06.89AA, S06.89AD, S06.89AS, S06.8A0A, S06.8A0D, S06.8A0S, S06.8A1A, S06.8A1D, S06.8A1S, S06.8A2A, S06.8A2D, S06.8A2S, S06.8A3A, S06.8A3D, S06.8A3S, S06.8A4A, S06.8A4D, S06.8A4S, S06.8A5A, S06.8A5D, S06.8A5S, S06.8A6A, S06.8A6D, S06.8A6S, S06.8A7A, S06.8A8A, S06.8A9A, S06.8A9D, S06.8A9S, S06.8AAA, S06.8AAD, S06.8AAS, S06.9XAA, S06.9XAD, and S06.9XAS, effective 10/01/2022. Removed deleted ICD-10 diagnosis code G71.2.
11/08/2022: Policy reviewed. Policy statements unchanged. Code Reference section updated to remove deleted ICD-10 diagnosis code G92.
03/01/2023: Code Reference section updated to add ICD-10 diagnosis code G51.0.
09/29/2023: Code Reference section updated to add new ICD-10 diagnosis codes G11.6, G31.80, G31.86, G40.C01, G40.C09, G40.C11, G40.C19, G43.E01, G43.E09, G43.E11, G43.E19, G90.B, G93.42, G93.43, G93.44, Q75.001, Q75.002, Q75.009, Q75.01, Q75.021, Q75.022, Q75.029, Q75.03, Q75.041, Q75.042, Q75.049, Q75.051, Q75.052, Q75.058, and Q75.08, effective 10/01/2023.
10/20/2023: Code Reference section updated to add ICD-10 diagnosis codes H49.01, H49.02, H49.11, H49.12, H49.21, H49.22, H53.121, H53.122, H53.131, H53.132, H53.2, H53.411, and H53.412.
12/04/2023: Policy reviewed; no changes.
10/01/2024: Code reference section updated to revise the code description for ICD-10 diagnosis code G93.42. Removed deleted ICD-10 diagnosis code Q75.0.
12/01/2024: Code Reference section updated to add ICD-10 diagnosis codes E34.8, G44.1, G45.4, H81.4, H91.91, I67.9, R42, and R55.
12/13/2024: Policy reviewed; no changes.
05/14/2025: Code Reference section updated to add ICD-10 diagnosis codes H91.92 and H91.93.
10/01/2025: Code Reference section updated to add new ICD-10 diagnosis codes G35.A, G35.B0, G35.B1, G35.B2, G35.C0, G35.C1, G35.C2, and G35.D.
11/01/2025: Added RadSite as an imaging accreditation body.
American College of Radiology. ACR–ASNR Practice Guideline For The Performance and Interpretation of Magnetic Resonance Imaging (MRI) of the Brain, 2008.
American College of Radiology. ACR Practice Guideline for Performing and Interpreting Magnetic Resonance Imaging (MRI), 2011.
Magnetic Resonance Imaging (MRI) Brain and Head medical policy, Blue Cross and Blue Shield of Florida
Medical Policy Advisory Committee
Radiology Physician Advisory Committee
This may not be a comprehensive list of procedure codes applicable to this policy.
The code(s) listed below are ONLY medically necessary if the procedure is performed according to the "Policy" section of this document.
Covered Codes
Code Number | Description | ||
CPT-4 | |||
70551 | Magnetic resonance (eg, proton) imaging, brain (including brain stem); without contrast material | ||
70552 | Magnetic resonance (eg, proton) imaging, brain (including brain stem); with contrast material(s) | ||
70553 | Magnetic resonance (eg, proton) imaging, brain (including brain stem); without contrast material, followed by contrast material(s) and further sequences | ||
HCPCS | |||
ICD-9 Procedure | ICD-10 Procedure | ||
ICD-9 Diagnosis | ICD-10 Diagnosis | ||
047.0-047.9 | Meningitis due to enterovirus | A87.0 | Enteroviral meningitis |
A87.8 | Other viral meningitis | ||
A87.9 | Viral meningitis, unspecified | ||
G03.2 | Benign recurrent meningitis [Mollaret] | ||
094.0-094.9 | Neurosyphilis | A52.10 - A52.19 | Symptomatic neurosyphilis |
A52.2 | Asymptomatic neurosyphilis | ||
A52.3 | Neurosyphilis, unspecified | ||
162.2-162.9 | Malignant neoplasm of trachea, bronchus, and lung | C34.00 - C34.92 | Malignant neoplasm of bronchus and lung |
191.0-191.9 | Malignant neoplasm of brain | C71.0 - C71.9 | Malignant neoplasm of brain |
198.3-198.4 | Secondary malignant neoplasm of brain and spinal cord | C79.31 - C79.32 | Secondary malignant neoplasm of brain and cerebral meninges |
C79.40 - C79.49 | Secondary malignant neoplasm of other and unspecified parts of nervous system | ||
198.89 | Secondary malignant neoplasm of head | C79.89 | Secondary malignant neoplasm of other specified sites |
C79.9 | Secondary malignant neoplasm of unspecified site | ||
195.0 | Malignant neoplasm of the head | C76.0 | Malignant neoplasm of head, face and neck |
197.0 | Secondary malignant neoplasm of lung | C78.00 - C78.02 | Secondary malignant neoplasm of lung |
209.29 | Malignant carcinoid tumor of other sites | C7A.098 | Malignant carcinoid tumors of other sites |
209.69 | Benign carcinoid tumor of other sites | D3A.098 | Benign carcinoid tumors of other sites |
212.3 | Benign neoplasm of lung | D14.30 - D14.32 | Benign neoplasm of bronchus and lung |
225.0-225.2 | Benign neoplasm of brain | D32.0 | Benign neoplasm of cerebral meninges |
D32.9 | Benign neoplasm of meninges, unspecified | ||
D33.0 | Benign neoplasm of brain, supratentorial | ||
D33.1 | Benign neoplasm of brain, infratentorial | ||
D33.2 | Benign neoplasm of brain, unspecified | ||
D33.3 | Benign neoplasm of cranial nerves | ||
227.3 | Pituitary gland and craniopharyngeal duct (pouch) | D35.2 | Benign neoplasm of pituitary gland |
D35.3 | Benign neoplasm of craniopharyngeal duct | ||
229.8 | Benign neoplasm of head | D19.7 | Benign neoplasm of mesothelial tissue of other sites |
D36.7 | Benign neoplasm of other specified sites | ||
231.2 | Carcinoma in situ of lung | D02.20 - D02.22 | Carcinoma in situ of bronchus and lung |
235.7 | Neoplasm of uncertain behavior Trachea, bronchus, and lung | D38.1 | Neoplasm of uncertain behavior of trachea, bronchus and lung |
237.0 | Neoplasm of uncertain behavior of pituitary gland and craniopharyngeal duct | D44.3 | Neoplasm of uncertain behavior of pituitary gland |
D44.4 | Neoplasm of uncertain behavior of craniopharyngeal duct | ||
237.5, 237.6 | Uncertain behavior neoplasm of brain | D42.0 - D42.9 | Neoplasm of uncertain behavior of meninges |
D43.0 | Neoplasm of uncertain behavior of brain, supratentorial | ||
D43.1 | Neoplasm of uncertain behavior of brain, infratentorial | ||
D43.2 | Neoplasm of uncertain behavior of brain, unspecified | ||
D43.4 | Neoplasm of uncertain behavior of spinal cord | ||
239.1 | Unspecified neoplasm of lung | D49.1 | Neoplasm of unspecified behavior of respiratory system |
239.6, 239.7 | Unspecified neoplasm of brain | D49.6 | Neoplasm of unspecified behavior of brain |
D49.7 | Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system | ||
E22.0 | Acromegaly and pituitary gigantism | ||
E22.1 | Hyperprolactinemia | ||
253.3 | Pituitary dwarfism | E23.0 | Hypopituitarism |
E34.8 | Other specified endocrine disorders | ||
E75.25 | Metachromatic leukodystrophy | ||
310.0-310.2 | Specific nonpsychotic mental disorders due to brain damage | F07.0 | Personality change due to known physiological condition |
F07.81 | Postconcussional syndrome | ||
310.81, 310.89 | Other specified nonpsychotic mental disorders following organic brain damage | F07.89 | Other personality and behavioral disorders due to known physiological condition |
F48.2 | Pseudobulbar affect | ||
315.00-315.9 | Specific delays in development | F80.0 - F80.9 | Specific developmental disorders of speech and language |
F81.0 - F81.9 | Specific developmental disorders of scholastic skills | ||
H93.25 | Central auditory processing disorder | ||
R48.0 | Dyslexia and alexia | ||
323.01-323.9 | Encephalitis, myelitis, and encephalomyelitis | G04.00 - G04.02 | Acute disseminated encephalitis and encephalomyelitis (ADEM) |
G04.30 - G04.39 | Acute necrotizing hemorrhagic encephalopathy | ||
G04.81 - G04.89 | Other encephalitis, myelitis and encephalomyelitis | ||
G04.90 - G04.91 | Encephalitis, myelitis and encephalomyelitis, unspecified | ||
G05.3 - G05.4 | Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere | ||
G37.4 | Subacute necrotizing myelitis of central nervous system | ||
G92.00 - G92.9 | Toxic encephalopathy (code range) | ||
324.0-324.9 | Intracranial and intraspinal abscess | G06.0 - G06.2 | Intracranial and intraspinal abscess and granuloma |
G07 | Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere | ||
325 | Phlebitis and thrombophlebitis of intracranial venous sinuses | G08 | Intracranial and intraspinal phlebitis and thrombophlebitis |
334.0-334.9 | Spinocerebellar disease (ataxia) | G11.0 - G11.9 | Hereditary ataxia |
G32.81 | Cerebellar ataxia in diseases classified elsewhere | ||
G31.80 | Leukodystrophy, unspecified | ||
G31.86 | Alexander disease | ||
G44.1 | Vascular headache, not elsewhere classified | ||
336.0 | Syringomyelia and syringobulbia | G95.0 | Syringomyelia and syringobulbia |
339.00-339.09 | Cluster headaches and other trigeminal autonomic cephalgias | G44.001 - G44.099 | Cluster headaches and other trigeminal autonomic cephalgias (TAC) |
339.10-339.12 | Tension type headache | G44.201 - G44.229 | Tension-type headache |
339.20-339.22 | Post-traumatic headache | G44.301 - G44.329 | Post-traumatic headache |
339.41-339.44 | Complicated headache syndromes | G44.51 - G44.59 | Complicated headache syndromes |
339.81-339.89 | Other specified headache syndromes | G44.81 - G44.89 | Other specified headache syndromes |
G45.4 | Transient global amnesia | ||
340 | Multiple Sclerosis | G35, G35.A, G35.B0, G35.B1, G35.B2, G35.C0, G35.C1, G35.C2, G35.D | Multiple sclerosis (G35.A, G35.B0, G35.B1, G35.B2, G35.C0, G35.C1, G35.C2, G35.D New 10/01/2025) (G35 Deleted 09/30/2025) |
343.0-343.9 | Infantile cerebral palsy | G80.0 | Spastic quadriplegic cerebral palsy |
G80.1 | Spastic diplegic cerebral palsy | ||
G80.2 | Spastic hemiplegic cerebral palsy | ||
G80.4 | Ataxic cerebral palsy | ||
G80.8 | Other cerebral palsy | ||
G80.9 | Cerebral palsy, unspecified | ||
345.00-345.81 | Epilepsy and recurrent seizures Range | G40.001 – G40.019 | Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset |
G40.101 – G40.119 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures | ||
G40.201 – G40.219 | Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures | ||
G40.301 – G40.319 | Generalized idiopathic epilepsy and epileptic syndromes | ||
G40.C01, G40.C09 | Lafora progressive myoclonus epilepsy, not intractable | ||
G40.C11, G40.C19 | Lafora progressive myoclonus epilepsy, intractable | ||
G40.401 – G40.419 | Other generalized epilepsy and epileptic syndromes | ||
G40.42 | Cyclin-Dependent Kinase-Like 5 Deficiency Disorder | ||
G40.501 – G40.509 | Epileptic seizures related to external causes | ||
G40.801 – G40.89, G40.833, G40.834 | Other epilepsy and recurrent seizures | ||
G40.A01 – G40.A19 | Absence epileptic syndrome | ||
G40.B01 – G40.B19 | Juvenile myoclonic epilepsy [impulsive petit mal] | ||
346.00-346.03 | Migraine with aura | G43.101 - G43.119 | Migraine with aura |
346.10-346.13 | Migraine without aura | G43.001 - G43.019 | Migraine without aura |
346.20-346.23 | Variants of migraine | G43.801 - G43.809 | Other migraine, not intractable |
G43.E01, G43.E09 | Chronic migraine with aura, not intractable | ||
G43.811 - G43.819 | Other migraine, intractable | ||
G43.E11, G43.E19 | Chronic migraine with aura, intractable | ||
G43.A0 - G43.A1 | Cyclical vomiting | ||
G43.B0 - G43.B1 | Ophthalmoplegic migraine | ||
G43.C0 - G43.C1 | Periodic headache syndromes in child or adult | ||
G43.D0 - G43.D1 | Abdominal migraine | ||
346.30-346.33 | Hemiplegic migraine | G43.401 - G43.419 | Hemiplegic migraine |
346.50-346.53 | Persistent migraine aura without cerebral infarction | G43.501 - G43.519 | Persistent migraine aura without cerebral infarction |
346.60-346.63 | Persistent migraine aura with cerebral infarction | G43.601 - G43.619 | Persistent migraine aura with cerebral infarction |
346.70-346.73 | Chronic migraine without aura | G43.701 - G43.719 | Chronic migraine without aura |
346.80-346.83 | Other forms of migraine | G43.801 - G43.819 | Other migraine |
346.90-346.93 | Migraine, unspecified code range | G43.901 – G43.919 | Migraine, unspecified |
G51.0 | Bell's palsy | ||
348.1 | Anoxic brain damage | G93.1 | Anoxic brain damage, not elsewhere classified |
359.0 | Congenital hereditary muscular dystrophy | G71.20, G71.21, G71.220, G71.228, G71.29 | Congenital myopathies |
377.00-377.04 | Papilledema | H47.10 - H47.149 | Papilledema |
377.10-377.16 | Optic atrophy | H47.20 - H47.299 | Optic atrophy |
377.21-377.24 | Other disorders of optic disc | H47.311 - H47.399 | Other disorders of optic disc |
377.30-377.39 | Optic neuritis | H46.00 - H46.9 | Optic neuritis |
377.41-377.49 | Other disorders of optic nerve | H47.011 - H47.099 | Disorders of optic nerve, not elsewhere classified |
377.51-377.54 | Disorders of optic chiasm | H47.41 - H47.49 | Disorders of optic chiasm |
377.61-377.63 | Disorders of visual pathways | H47.511 - H47.539 | Disorders of other visual pathways |
H49.01, H49.02 | Third [oculomotor] nerve palsy | ||
H49.11, H49.12 | Fourth [trochlear] nerve palsy | ||
H49.21, H49.22 | Sixth [abducent] nerve palsy | ||
H53.121, H53.122 | Transient visual loss | ||
H53.131, H53.132 | Sudden visual loss | ||
H53.2 | Diplopia | ||
H53.411, H53.412 | Scotoma involving central area | ||
H53.40 - H53.489 | Visual field defects | ||
379.50-379.59 | Nystagmus and other irregular eye movements | H55.00 - H55.89, H55.82 | Nystagmus and other irregular eye movements |
385.30 | Cholesteatoma, unspecified | H71.90 - H71.93 | Unspecified cholesteatoma |
386.10-386.19 | Other and unspecified peripheral vertigo | H81.10 - H81.13 | Benign paroxysmal vertigo |
H81.20 - H81.23 | Vestibular neuronitis | ||
H81.311 - H81.319 | Other peripheral vertigo | ||
H81.391 - H81.399 | Other peripheral vertigo | ||
H81.4 | Vertigo of central origin | ||
388.12 | Noise-induced hearing loss | H83.3X1 - H83.3X9 | Noise effects on inner ear |
388.2 | Sudden hearing loss, unspecified | H91.20 - H91.23 | Sudden idiopathic hearing loss |
H91.91 | Unspecified hearing loss, right ear | ||
H91.92 | Unspecified hearing loss, left ear | ||
H91.93 | Unspecified hearing loss, bilateral | ||
388.30-388.32 | Tinnitus | H93.11 - H93.19 | Tinnitus |
H93.A1 - H93.A9 | Pulsatile tinnitus | ||
389.16 | Sensorineural hearing loss, asymmetrical | H90.5 | Unspecified sensorineural |
421.0-421.9 | Acute and subacute endocarditis | I33.0 - I33.9 | Acute and subacute endocarditis |
I39 | Endocarditis and heart valve disorders in diseases classified elsewhere | ||
430 | Subarachnoid hemorrhage | I60.00 - I60.9 | Nontraumatic subarachnoid hemorrhage |
431 | Intracerebral hemorrhage | I61.0 - I61.9 | Nontraumatic intracerebral hemorrhage |
432.0 - 432.9 | Other and unspecified intracranial hemorrhage | I62.00 - I62.9 | Other and unspecified nontraumatic intracranial hemorrhage |
433.00 - 433.01 | Occlusion and stenosis of basilar artery | I65.1 | Occlusion and stenosis of basilar artery |
I63.02 | Cerebral infarction due to thrombosis of basilar artery | ||
I63.12 | Cerebral infarction due to embolism of basilar artery | ||
I63.22 | Cerebral infarction due to unspecified occlusion or stenosis of basilar artery | ||
433.10 - 433.11 | Occlusion and stenosis of carotid artery | I63.031 - I63.039 | Cerebral infarction due to thrombosis of carotid artery |
I63.131 - I63.139 | Cerebral infarction due to embolism of carotid artery | ||
I63.231 - I63.239 | Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries | ||
I65.21 - I65.29 | Occlusion and stenosis of carotid artery | ||
433.20 - 433.21 | Occlusion and stenosis of vertebral artery | I63.011 - I63.019 | Cerebral infarction due to thrombosis of vertebral artery |
I63.111 - I63.119 | Cerebral infarction due to embolism of vertebral artery | ||
I63.211 - I63.219 | Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries | ||
I65.01 - I65.09 | Occlusion and stenosis of vertebral artery | ||
433.30 - 433.31 | Occlusion and stenosis of multiple and bilateral precerebral arteries | I63.59 | Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery |
I65.8 | Occlusion and stenosis of other precerebral arteries | ||
433.80 - 433.81 | Occlusion and stenosis of other specified precerebral artery | I63.09 | Cerebral infarction due to thrombosis of other precerebral artery |
I63.19 | Cerebral infarction due to embolism of other precerebral artery | ||
I63.59 | Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery | ||
I65.8 | Occlusion and stenosis of other precerebral arteries | ||
433.90 - 433.91 | Occlusion and stenosis of unspecified precerebral artery | I63.00 | Cerebral infarction due to thrombosis of unspecified precerebral artery |
I63.10 | Cerebral infarction due to embolism of unspecified precerebral artery | ||
I63.20 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries | ||
I65.9 | Occlusion and stenosis of unspecified precerebral artery | ||
434.00 - 434.01 | Cerebral thrombosis | I63.30 - I63.39 | Cerebral infarction due to thrombosis of cerebral arteries |
I63.6 | Cerebral infarction due to cerebral venous thrombosis, nonpyogenic | ||
I66.01 - I66.09 | Occlusion and stenosis of middle cerebral artery | ||
I66.11 - I66.19 | Occlusion and stenosis of anterior cerebral artery | ||
I66.21 - I66.29 | Occlusion and stenosis of posterior cerebral artery | ||
I66.3 | Occlusion and stenosis of cerebellar arteries | ||
434.10 - 434.11 | Cerebral embolism | I63.40 - I63.49 | Cerebral infarction due to embolism of cerebral arteries |
I66.01 - I66.09 | Occlusion and stenosis of middle cerebral artery | ||
I66.11 - I66.19 | Occlusion and stenosis of anterior cerebral artery | ||
I66.21 - I66.29 | Occlusion and stenosis of posterior cerebral artery | ||
I66.3 | Occlusion and stenosis of cerebellar arteries | ||
I66.9 | Occlusion and stenosis of unspecified cerebral artery | ||
434.90 - 434.91 | Unspecified cerebral artery occlusion | I63.50 - I63.59 | Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries |
I63.81 | Other cerebral infarction due to occlusion or stenosis of small artery | ||
I63.89 | Other cerebral infarction | ||
I63.9 | Cerebral infarction, unspecified | ||
I66.01 - I66.09 | Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction | ||
435.0-435.9 | Transient cerebral ischemia | G45.0 | Vertebro-basilar artery syndrome |
G45.1 | Carotid artery syndrome (hemispheric) | ||
G45.2 | Multiple and bilateral precerebral artery syndromes | ||
G45.8 | Other transient cerebral ischemic attacks and related syndromes | ||
G45.9 | Transient cerebral ischemic attack, unspecified | ||
G46.0 | Middle cerebral artery syndrome | ||
G46.1 | Anterior cerebral artery syndrome | ||
G46.2 | Posterior cerebral artery syndrome | ||
G90.B | LMNB1-related autosomal dominant leukodystrophy | ||
G93.42 | Megalencephalic leukoencephalopathy with subcortical cysts (Revised 10/01/2024) | ||
G93.43 | Leukoencephalopathy with calcifications and cysts | ||
G93.44 | Adult-onset leukodystrophy with axonal spheroids | ||
I67.841 - I67.848 | Cerebral vasospasm and vasoconstriction | ||
436 | Acute, but ill-defined, cerebrovascular disease | I67.89 | Other cerebrovascular disease |
I67.858 | Other hereditary cerebrovascular disease | ||
I67.9 | Cerebrovascular disease, unspecified | ||
437.0 | Cerebral atherosclerosis | I67.2 | Cerebral atherosclerosis |
437.3 | Cerebral aneurysm, nonruptured | I67.1 | Cerebral aneurysm, nonruptured |
I69.010 - I69.019 | Cognitive deficits following nontraumatic subarachnoid hemorrhage | ||
I69.110 - I69.119 | Cognitive deficits following nontraumatic intracerebral hemorrhage | ||
I69.210 - I69.219 | Cognitive deficits following other nontraumatic intracranial hemorrhage | ||
I69.310 - I69.319 | Cognitive deficits following cerebral infarction | ||
I69.810 - I69.819 | Cognitive deficits following other cerebrovascular disease | ||
I69.910 - I69.919 | Cognitive deficits following unspecified cerebrovascular disease | ||
438.10-438.19 | Speech and language deficits | I69.020 - I69.028 | Speech and language deficits following nontraumatic subarachnoid hemorrhage |
I69.120 - I69.128 | Speech and language deficits following nontraumatic intracerebral hemorrhage | ||
I69.220 - I69.228 | Speech and language deficits following other nontraumatic intracranial hemorrhage | ||
I69.320 - I69.328 | Speech and language deficits following cerebral infarction | ||
I69.820 - I69.828 | Speech and language deficits following other cerebrovascular disease | ||
I69.920 - I69.928 | Speech and language deficits following unspecified cerebrovascular disease | ||
438.20-438.53 | Hemi/Monoplegia | I69.031 - I69.039 | Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage |
I69.041 - I69.049 | Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage | ||
I69.051 - I69.059 | Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage | ||
I69.061 - I69.069 | Other paralytic syndrome following nontraumatic subarachnoid hemorrhage | ||
I69.131 - I69.139 | Monoplegia of upper limb following nontraumatic intracerebral hemorrhage | ||
I69.141 - I69.149 | Monoplegia of lower limb following nontraumatic intracerebral hemorrhage | ||
I69.151 - I69.159 | Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage | ||
I69.161 - I69.169 | Other paralytic syndrome following nontraumatic intracerebral hemorrhage | ||
I69.231 - I69.239 | Monoplegia of upper limb following other nontraumatic intracranial hemorrhage | ||
I69.241 - I69.249 | Monoplegia of lower limb following other nontraumatic intracranial hemorrhage | ||
I69.251 - I69.259 | Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage | ||
I69.261 - I69.269 | Other paralytic syndrome following other nontraumatic intracranial hemorrhage | ||
I69.331 - I69.339 | Monoplegia of upper limb following cerebral infarction | ||
I69.341 - I69.349 | Monoplegia of lower limb following cerebral infarction | ||
I69.351 - I69.359 | Hemiplegia and hemiparesis following cerebral infarction | ||
I69.361 - I69.369 | Other paralytic syndrome following cerebral infarction | ||
I69.831 - I69.839 | Monoplegia of upper limb following other cerebrovascular disease | ||
I69.841 - I69.849 | Monoplegia of lower limb following other cerebrovascular disease | ||
I69.851 - I69.859 | Hemiplegia and hemiparesis following other cerebrovascular disease | ||
I69.861 - I69.869 | Other paralytic syndrome following other cerebrovascular disease | ||
I69.931 - I69.939 | Monoplegia of upper limb following unspecified cerebrovascular disease | ||
I69.941 - I69.949 | Monoplegia of lower limb following unspecified cerebrovascular disease | ||
I69.951 - I69.959 | Hemiplegia and hemiparesis following unspecified cerebrovascular disease | ||
I69.961 - I69.969 | Other paralytic syndrome following unspecified cerebrovascular disease | ||
438.7 | Disturbances of vision | I69.998 | Other sequelae following unspecified cerebrovascular disease |
438.81 | Other late effects of cerebrovascular disease | I69.090 | Apraxia following nontraumatic subarachnoid hemorrhage |
I69.190 | Apraxia following nontraumatic intracerebral hemorrhage | ||
I69.290 | Apraxia following other nontraumatic intracranial hemorrhage | ||
I69.390 | Apraxia following cerebral infarction | ||
I69.890 | Apraxia following other cerebrovascular disease | ||
I69.990 | Apraxia following unspecified cerebrovascular disease | ||
438.82 | Apraxia | I69.091 | Dysphagia following nontraumatic subarachnoid hemorrhage |
I69.191 | Dysphagia following nontraumatic intracerebral hemorrhage | ||
I69.291 | Dysphagia following other nontraumatic intracranial hemorrhage | ||
I69.391 | Dysphagia following cerebral infarction | ||
I69.891 | Dysphagia following other cerebrovascular disease | ||
I69.991 | Dysphagia following unspecified cerebrovascular disease | ||
438.83 | Dysphagia | I69.092 | Facial weakness following nontraumatic subarachnoid hemorrhage |
I69.192 | Facial weakness following nontraumatic intracerebral hemorrhage | ||
I69.292 | Facial weakness following other nontraumatic intracranial hemorrhage | ||
I69.392 | Facial weakness following cerebral infarction | ||
I69.892 | Facial weakness following other cerebrovascular disease | ||
I69.992 | Facial weakness following unspecified cerebrovascular disease | ||
438.84 | Facial weakness | I69.093 | Ataxia following nontraumatic subarachnoid hemorrhage |
I69.193 | Ataxia following nontraumatic intracerebral hemorrhage | ||
I69.293 | Ataxia following other nontraumatic intracranial hemorrhage | ||
I69.393 | Ataxia following cerebral infarction | ||
I69.893 | Ataxia following other cerebrovascular disease | ||
I69.993 | Ataxia following unspecified cerebrovascular disease | ||
438.85 | Ataxia | I69.998 | Other sequelae following unspecified cerebrovascular disease |
438.89 | Vertigo | I69.098 | Other sequelae following nontraumatic subarachnoid hemorrhage |
I69.198 | Other sequelae of nontraumatic intracerebral hemorrhage | ||
I69.298 | Other sequelae of other nontraumatic intracranial hemorrhage | ||
I69.398 | Other sequelae of cerebral infarction | ||
I69.898 | Other sequelae of other cerebrovascular disease | ||
I69.998 | Other sequelae following unspecified cerebrovascular disease | ||
438.9 | Other late effects of cerebrovascular disease, unspecified | I69.00 | Unspecified sequelae of nontraumatic subarachnoid hemorrhage |
I69.10 | Unspecified sequelae of nontraumatic intracerebral hemorrhage | ||
I69.20 | Unspecified sequelae of other nontraumatic intracranial hemorrhage | ||
I69.30 | Unspecified sequelae of cerebral infarction | ||
I69.80 | Unspecified sequelae of other cerebrovascular disease | ||
I69.90 | Unspecified sequelae of unspecified cerebrovascular disease | ||
443.21 | Dissection of carotid artery | I77.71 | Dissection of carotid artery |
443.24 | Dissection of vertebral artery | I73.9 | Peripheral vascular disease, unspecified |
742.0 | Other congenital anomalies of nervous system | Q01.0 - Q01.9 | Encephalocele |
742.1 | Microcephalus | Q02 | Microcephaly |
742.2 | Reduction deformities of brain | Q04.0 | Congenital malformations of corpus callosum |
Q04.1 | Arhinencephaly | ||
Q04.2 | Holoprosencephaly | ||
Q04.3 | Other reduction deformities of brain | ||
742.3 | Congenital hydrocephalus | Q03.0 - Q03.9 | Congenital hydrocephalus |
742.4 | Other specified anomalies of brain | Q04.4 | Septo-optic dysplasia of brain |
Q04.5 | Megalencephaly | ||
Q04.6 | Congenital cerebral cysts | ||
Q04.8 | Other specified congenital malformations of brain | ||
742.9 | Unspecified anomaly of brain, spinal cord, and nervous system | Q04.9 | Congenital malformation of brain, unspecified |
Q06.9 | Congenital malformation of spinal cord, unspecified | ||
Q07.9 | Congenital malformation of nervous system, unspecified | ||
747.81 | Anomalies of cerebrovascular system | Q28.2 | Arteriovenous malformation of cerebral vessels |
Q28.3 | Other malformations of cerebral vessels | ||
754.0 | Certain congenital musculoskeletal deformities of skull, face, and jaw | Q67.0 | Congenital facial asymmetry |
Q67.1 | Congenital compression facies | ||
Q67.2 | Dolichocephaly | ||
Q67.3 | Plagiocephaly | ||
Q67.4 | Other congenital deformities of skull, face and jaw | ||
754.1 | Congenital musculoskeletal deformity of sternocleidomastoid muscle | Q68.0 | Congenital deformity of sternocleidomastoid muscle |
756.0 | Other congenital musculoskeletal anomalies (craniosynostosis) | Q75.001 - Q75.9 | Other congenital malformations of skull and face bones |
Q87.0 | Congenital malformation syndromes predominantly affecting facial appearance | ||
Q79.60, Q79.61, Q79.62, Q79.63, Q79.69 | Ehlers-Danlos syndrome | ||
767.0-767.9 | Birth trauma (head) | P10.0 | Subdural hemorrhage due to birth injury |
P10.1 | Cerebral hemorrhage due to birth injury | ||
P10.4 | Tentorial tear due to birth injury | ||
P10.8 | Other intracranial lacerations and hemorrhages due to birth injury | ||
P10.9 | Unspecified intracranial laceration and hemorrhage due to birth injury | ||
P11.0 - P11.9 | Other birth injuries to central nervous system | ||
P12.0 - P12.9 | Birth injury to scalp | ||
P13.0 - P13.9 | Birth injury to skeleton | ||
P14.0 - P14.9 | Birth injury to peripheral nervous system | ||
P15.0 - P15.9 | Other birth injuries | ||
P52.4 | Intracerebral (nontraumatic) hemorrhage of newborn | ||
P52.6 | Cerebellar (nontraumatic) and posterior fossa hemorrhage of newborn | ||
P52.8 | Other intracranial (nontraumatic) hemorrhages of newborn | ||
P52.9 | Intracranial (nontraumatic) hemorrhage of newborn, unspecified | ||
780.02 | Alteration of consciousness | R40.4 | Transient alteration of awareness |
780.09 | Other alteration of consciousness | R40.1 | Stupor |
780.39 | Other convulsions | R56.9 | Unspecified convulsions |
R41.3 | Other amnesia | ||
781.0 | Abnormal involuntary movements | R25.0 - R25.9 | Abnormal involuntary movements |
781.1 | Disturbances of sensation of smell and taste | R43.0 - R43.9 | Disturbances of smell and taste |
781.2 | Abnormality of gait | R26.0 | Ataxic gait |
R26.1 | Paralytic gait | ||
R26.81 | Unsteadiness on feet | ||
R26.89 | Other abnormalities of gait and mobility | ||
R26.9 | Unspecified abnormalities of gait and mobility | ||
781.3 | Lack of coordination | R27.0 - R27.9 | Other lack of coordination |
781.4 | Transient paralysis of limb | R29.5 | Transient paralysis |
781.94 | Facial weakness | R29.810 | Facial weakness |
781.99 | Other symptoms involving nervous musculoskeletal | R29.6 | Repeated falls |
R29.818 | Other symptoms and signs involving the nervous system | ||
R29.898 | Other symptoms and signs involving the musculoskeletal system | ||
782.0 | Disturbance of skin sensation | R20.0 - R20.9 | Disturbances of skin sensation |
R42 | Dizziness and giddiness | ||
784.0 | Headache | R51, R51.0, R51.9 | Headache |
R55 | Syncope and collapse | ||
R94.02 | Abnormal brain scan | ||
800.00-800.99 | Fracture of vault of skull | S02.0XXA - S02.0XXS | Fracture of vault of skull |
801.00-801.99 | Fracture of base of skull | S02.101A - S02.101S, S02.102A - S02.102S, S02.109A - S02.109S, S02.110A - S02.11HS, S02.19XA -S02.19XS | Fracture of base of skull |
850.0 – 854.19 | Head and intracranial injury Range | S01.90XA - S01.90XS | Unspecified open wound of unspecified part of head |
S06.0X0A - S06.9X9S | Intracranial injury | ||
S06.A0XA - S06.A1XS | Traumatic brain compression and herniation | ||
S06.2XAA, S06.2XAD, S06.2XAS | Diffuse traumatic brain injury with loss of consciousness status unknown | ||
S06.30AA, S06.30AD, S06.30AS | Unspecified focal traumatic brain injury with loss of consciousness status unknown | ||
S06.38AA, S06.38AD, S06.38AS | Contusion, laceration, and hemorrhage of brainstem with loss of consciousness status unknown | ||
S06.89AA, S06.89AD, S06.89AS | Other specified intracranial injury with loss of consciousness status unknown | ||
S06.8A0A, S06.8A0D, S06.8A0S | Primary blast injury of brain, not elsewhere classified without loss of consciousness | ||
S06.8A1A, S06.8A1D, S06.8A1S | Primary blast injury of brain, not elsewhere classified with loss of consciousness of 30 minutes or less | ||
S06.8A2A, S06.8A2D, S06.8A2S | Primary blast injury of brain, not elsewhere classified with loss of consciousness of 31 minutes to 59 minutes | ||
S06.8A3A, S06.8A3D, S06.8A3S | Primary blast injury of brain, not elsewhere classified with loss of consciousness of 1 hour to 5 hours 59 minutes | ||
S06.8A4A, S06.8A4D, S06.8A4S | Primary blast injury of brain, not elsewhere classified with loss of consciousness of 6 hours to 24 hours | ||
S06.8A5A, S06.8A5D, S06.8A5S | Primary blast injury of brain, not elsewhere classified with loss of consciousness greater than 24 hours with return to pre-existing conscious level | ||
S06.8A6A, S06.8A6D, S06.8A6S | Primary blast injury of brain, not elsewhere classified with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving | ||
S06.8A7A | Primary blast injury of brain, not elsewhere classified with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter | ||
S06.8A8A | Primary blast injury of brain, not elsewhere classified with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter | ||
S06.8A9A, S06.8A9D, S06.8A9S | Primary blast injury of brain, not elsewhere classified with loss of consciousness of unspecified duration | ||
S06.8AAA, S06.8AAD, S06.8AAS | Primary blast injury of brain, not elsewhere classified with loss of consciousness status unknown | ||
S06.9XAA, S06.9XAD, S06.9XAS | Unspecified intracranial injury with loss of consciousness status unknown | ||
873.1 | Open wound of scalp, complicated | S01.02XA - S01.02XS | Laceration with foreign body of scalp |
S01.04XA - S01.04XS | Puncture wound with foreign body of scalp | ||
T85.730D, T85.730S, T85.731A - T85.731S, T85.735A - T85.735S, T85.738A - T85.738S | Infection and inflammatory reaction due to nervous system devices, implants and graft | ||
T85.810A - T85.810S | Embolism due to nervous system prosthetic devices, implants and grafts | ||
V10.85 | Personal history of malignant neoplasm of brain | Z85.841 | Personal history of malignant neoplasm of brain |
V12.54 | Personal history of transient ischemic attack [TIA], and cerebral infarction without residual deficits | Z86.73 | Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits |
V15.52 | Personal history of traumatic brain injury | Z87.820 | Personal history of traumatic brain injury |
V67.09 | Follow-up examination following other surgery | Z09 | Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm |
V67.59 | Other follow-up examination | Z08 | Encounter for follow-up examination after completed treatment for malignant neoplasm |
Z09 | Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm | ||
V71.1 | Observation for suspected malignant neoplasm | Z03.89 | Encounter for observation for other suspected diseases and conditions ruled out |
V71.4 | Observation following other accident | Z04.1 | Encounter for examination and observation following transport accident |
Z04.3 | Encounter for examination and observation following other accident | ||
V71.89 | Observation for other specified suspected conditions | Z03.6 | Encounter for observation for suspected toxic effect from ingested substance ruled out |
Z03.89 | Encounter for observation for other suspected diseases and conditions ruled out | ||
V72.83 | Other specified preoperative examination | Z01.818 | Encounter for other preprocedural examination |
V80.09 | Screening for other neurological conditions | Z13.858 | Encounter for screening for other nervous system disorders |
Z45.42 | Encounter for adjustment and management of neurostimulator |
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