ICD-10-CM 2027
ICD-10 code for Arachnoid tuberculosis
From the official ICD-10-CM alphabetic index entry “Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › arachnoid”. Page updated September 29, 2026.
About coding Arachnoid tuberculosis
The ICD-10-CM code for Arachnoid tuberculosis is A17.0 (Tuberculous meningitis).
Within A17 (tuberculosis of nervous system), A17.0 is specifically for tuberculous meningitis. Related codes cover meningeal tuberculoma (A17.1), other tuberculosis of nervous system (A17.8) and unspecified (A17.9).
Don't report A17.0 together with the conditions in its Excludes1 note: tuberculous meningoencephalitis (A17.82).
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for A17.0)
- tuberculous meningoencephalitis (A17.82)
Common questions about Arachnoid tuberculosis ICD-10 codes
What is the ICD-10 code for Arachnoid tuberculosis?
- A17.0 — Tuberculous meningitis.
Is A17.0 billable?
- Yes. A17.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can A17.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict A17.0 as a principal diagnosis.
Is A17.0 a CC or MCC?
- A17.0 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.