Tuberculosis of nervous system (A17) ICD-10-CM
The A17 code range covers tuberculosis of nervous system with 9 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the A17 Range 9 codes · 7 billable
- A17 Tuberculosis of nervous systemNon-billable
- A17.0 Tuberculous meningitis
- A17.1 Meningeal tuberculoma
- A17.8 Other tuberculosis of nervous systemNon-billable
- A17.81 Tuberculoma of brain and spinal cord
- A17.82 Tuberculous meningoencephalitis
- A17.83 Tuberculous neuritis
- A17.89 Other tuberculosis of nervous system
- A17.9 Tuberculosis of nervous system, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A17 range.
Tuberculosis, Meningeal
A form of bacterial meningitis caused by MYCOBACTERIUM TUBERCULOSIS or rarely MYCOBACTERIUM BOVIS. The organism seeds the meninges and forms microtuberculomas which subsequently rupture. The clinical course tends to be subacute, with progressions occurring over a period of several days or longer. Headache and meningeal irritation may be followed by SEIZURES, cranial neuropathies, focal neurologic deficits, somnolence, and eventually COMA. The illness may occur in immunocompetent individuals or as an OPPORTUNISTIC INFECTION in the ACQUIRED IMMUNODEFICIENCY SYNDROME and other immunodeficiency syndromes. (From Adams et al., Principles of Neurology, 6th ed, pp717-9)
About the A17 Code Range
Tuberculosis can affect the nervous system, including the brain, spinal cord, and meninges.
A17.0 and A17.1 distinguish two named forms involving the meninges. A17.8 groups other forms, with further subdivisions for the brain and spinal cord, the meninges and brain, nerve involvement, and other nervous-system tuberculosis. A17.9 identifies nervous-system tuberculosis when its form is unspecified.
Questions About This Page
How many billable codes are in the A17 range?
Of the 9 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the A17 range classify?
The range classifies tuberculosis of nervous system. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
