A17.89 — Other tuberculosis of nervous system
A17.89 is a billable, specific ICD-10-CM code for other tuberculosis of nervous system. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Tuberculous polyneuropathy
Risk adjustment
A17.89 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
A17.89 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56612Billing and Coding: CT of the Head
- A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
How A17.89 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A17.89.
- Tuberculosis, tubercular, tuberculous›polyneuropathy
- Polyneuropathy›in›tuberculosis
Related codes at this level
Codes that share A17.8. If A17.89 is not quite right, the correct code is usually one of these.
Questions about A17.89
- Is A17.89 a billable ICD-10-CM code?
- Yes. A17.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does A17.89 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Tuberculosis (A15-A19).