A09 INFECTIOUS GASTROENTERITIS AND COLITIS, UNSPECIFIED

Code Information

Diagnosis Code: A09

Short Description: Infectious gastroenteritis and colitis, unspecified

Long Description: Infectious gastroenteritis and colitis, unspecified

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Intestinal infectious diseases (A00-A09)
      • Infectious gastroenteritis and colitis, unspecified (A09)
        • A09 Infectious gastroenteritis and colitis, unspecified

Code Version: 2017 ICD-10-CM

Diagnostic Related Group(s)

The code A09 is grouped in the following Diagnostic Related Group(s) (MS-DRG v32.0)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
  • Esophagitis, Gastroenteristis And Miscellaneous Digestive Disorders Without Mcc (392)

References to Index of Diseases and Injuries

The code A09 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Infectious colitis NOS
    • Infectious enteritis NOS
    • Infectious gastroenteritis NOS
  • Type 1 Excludes Notes:
    • colitis NOS (K52.9)
    • diarrhea NOS (R19.7)
    • enteritis NOS (K52.9)
    • gastroenteritis NOS (K52.9)
    • noninfective gastroenteritis and colitis, unspecified (K52.9)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A09 Right Arrow 009.0 Infectious enteritis NOS
This ICD-10 to ICD-9 data is based on the 2015 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

No. ICD-10 Code ICD-10 Description



This page was last updated on: 1/1/2017