009.1 ENTERITIS OF INFECT ORIG


Code Information

Diagnosis Code: 009.1

Short Description: Enteritis of infect orig

Long Description: Colitis, enteritis, and gastroenteritis of presumed infectious origin

Code Classification:

  • Infectious and parasitic diseases (001–139)
    • Intestinal infectious diseases (001-009)
      • 009 Ill-defined intestinal infections
        • 009.1 Enteritis of infect orig

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 009.1 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Arthritis, arthritic (acute) (chronic) (subacute) 716.9
    • due to or associated with
      • enteritis NEC 009.1 [711.3]
        • infectious (see also Enteritis, infectious) 009.0 [711.3]
          • specified organism NEC 008.8 [711.3]
        • regional (see also Enteritis, regional) 555.9 [713.1]
        • specified organism NEC 008.8 [711.3]
  • Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9
    • infectious (see also Enteritis, due to, specific organism) 009.0
      • presumed 009.1
  • Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
    • infectious NEC (see also Enteritis, due to, by organism) 009.0
      • presumed 009.1
  • Gastroenteritis (acute) (catarrhal) (congestive) (hemorrhagic) (noninfectious) (see also Enteritis) 558.9
    • infectious (see also Enteritis, due to, by organism) 009.0
      • presumed 009.1

Crosswalk Information

The code 009.1 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
009.1 Right Arrow A09 Infectious gastroenteritis and colitis, unspecified
This ICD-9 to ICD-10 data is based on the 2018 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

ICD-9 Code ICD-9 Description
009.0 Infectious colitis, enteritis, and gastroenteritis
009.2 Infectious diarrhea
009.3 Diarrhea of presumed infectious origin


This page was last updated on: 10/1/2014