A17.9Billable

Tuberculosis of nervous system, unspecified

Chapter
1. Certain infectious and parasitic diseases
Category
A17
Effective date
October 1, 2026

Related codes in category A17

A17Tuberculosis of nervous systemA17.0Tuberculous meningitisYesA17.1Meningeal tuberculomaYesA17.8Other tuberculosis of nervous systemA17.81Tuberculoma of brain and spinal cordYesA17.82Tuberculous meningoencephalitisYesA17.83Tuberculous neuritisYesA17.89Other tuberculosis of nervous systemYes

Frequently asked questions

What is ICD-10 code A17.9?

A17.9 is an ICD-10-CM diagnosis code for Tuberculosis of nervous system, unspecified.

Is A17.9 a billable code?

Yes. A17.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A17.9 in?

A17.9 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A17.9 become effective?

A17.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A17.9?

A17.9 belongs to category A17, which includes 8 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.