A21.9Billable

Tularemia, unspecified

Chapter
1. Certain infectious and parasitic diseases
Category
A21
Effective date
October 1, 2026

Related codes in category A21

A21TularemiaA21.0Ulceroglandular tularemiaYesA21.1Oculoglandular tularemiaYesA21.2Pulmonary tularemiaYesA21.3Gastrointestinal tularemiaYesA21.7Generalized tularemiaYesA21.8Other forms of tularemiaYes

Frequently asked questions

What is ICD-10 code A21.9?

A21.9 is an ICD-10-CM diagnosis code for Tularemia, unspecified.

Is A21.9 a billable code?

Yes. A21.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A21.9 in?

A21.9 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A21.9 become effective?

A21.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A21.9?

A21.9 belongs to category A21, which includes 7 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.