ICD-10-CM A21: Tularemia

ICD-10-CM Diagnosis Code (2025)

Official Description for A21

Tularemia

Coding Notes & Guidelines for A21

Includes Notes
  • deer-fly fever
  • infection due to Francisella tularensis
  • rabbit fever
Inclusion Terms

Ophthalmic tularemia

Inclusion Terms

Abdominal tularemia

Child Codes (More Specific Codes for A21):

A21.0 - Ulceroglandular tularemia A21.1 - Oculoglandular tularemia A21.2 - Pulmonary tularemia A21.3 - Gastrointestinal tularemia A21.7 - Generalized tularemia A21.8 - Other forms of tularemia A21.9 - Tularemia, unspecified

About ICD-10-CM Code A21 (Tularemia)

ICD-10-CM code A21 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A21 became effective on October 1, 2024.

This page provides detailed information about A21 - Tularemia. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Tularemia.