ICD-10-CM FY2026 Active Code

A21.3 – Gastrointestinal tularemia

Standardized clinical nomenclature and official billing classification guidelines for ICD-10-CM Diagnosis Codes Directory.

Clinical Code Specifications

Code Value
A21.3
Official Description
Gastrointestinal tularemia
Terminology System
ICD-10-CM (ICD-10-CM Diagnosis Codes Directory)
Category / Chapter
Certain zoonotic bacterial diseases
Code Set Edition
FY2026
Clinical Status
Active & Valid for Reporting

Documentation & Coding Notes

When billing or documenting A21.3 (Gastrointestinal tularemia), ensure compliance with official ICD-10-CM guidelines, clinical documentation specificity, and medical necessity criteria.

Coding Best Practice

Review patient medical records thoroughly for clinical indicators matching Gastrointestinal tularemia. Verify cross-references, includes/excludes notes, and payer-specific modifiers prior to claim submission.

Frequently Asked Questions

Code A21.3 represents "Gastrointestinal tularemia" within the ICD-10-CM medical nomenclature, utilized by healthcare providers for clinical diagnosis, procedure recording, and claims adjudication.

Yes, A21.3 is recognized under active FY2026 regulatory classifications as an active clinical code when documented to proper clinical specificity.
Reference Hub

ICD-10-CM Directory

Browse other clinical codes, guidelines, and tables in the official ICD-10-CM directory.

View All ICD-10-CM Codes

Related ICD-10-CM Codes

Automate Medical Coding with AI

Integrate automated clinical code validation, RCM charge capture, and FHIR interoperability directly into your hospital workflows.

Explore Healthcare Solutions