A17 — Tuberculosis of nervous system
Is A17 billable?
No — A17 is a non-billable header code. A17 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath A17.
A17 at a glance
| Code | A17 |
|---|---|
| Description | Tuberculosis of nervous system |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from A15-A19
The conditions below can never be reported together with A17 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- congenital tuberculosis (P37.0)
- nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
- pneumoconiosis associated with tuberculosis, any type in A15 (J65)
- positive PPD (R76.11)
- positive tuberculin skin test without active tuberculosis (R76.11)
- sequelae of tuberculosis (B90.-)
- silicotuberculosis (J65)
Use additional code — inherited from Chapter 1
Report an additional code alongside A17 to fully describe the condition. A17 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Use additional code — inherited from A15-A19
Report an additional code alongside A17 to fully describe the condition. A17 is sequenced first.
- code, if applicable, for associated cachexia (E88.A)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of A17, but a patient may have both at the same time. When documentation supports it, A17 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
What codes fall under A17? (4)
How long has A17 existed?
A17 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.