A21.3 Gastrointestinal tularemia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Abdominal tularemia

Applies from A21 Tularemia

Includes

• deer-fly fever
• infection due to Francisella tularensis
• rabbit fever

MS-DRG index

Defines the logic of DRG(s) 371-373 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 021.1 Enteric tularemia (approximate)

Diagnosis Index entries for A21.3

• Ingestion › tularemia
• Tularemia › abdominal
• Tularemia › cryptogenic
• Tularemia › enteric
• Tularemia › gastrointestinal
• Tularemia › ingestion
• Tularemia › intestinal

Nearby codes

• A21 Tularemia
• A21.0 Ulceroglandular tularemia
• A21.1 Oculoglandular tularemia
• A21.2 Pulmonary tularemia
• A21.3 Gastrointestinal tularemia (this code)
• A21.7 Generalized tularemia
• A21.8 Other forms of tularemia
• A21.9 Tularemia, unspecified