Specific code 2011 ICD-9-CM Diagnosis Code 009.1
Colitis enteritis and gastroenteritis of presumed infectious origin
  • Short description: Enteritis of infect orig.
  • ICD-9-CM 009.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 009.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2011 version of ICD-9-CM 009.1.
  • More recent version(s) of ICD-9-CM 009.1: 2012 2013 2014 2015.
Convert to ICD-10-CM: 009.1 converts approximately to:
  • 2015/16 ICD-10-CM A09 Infectious gastroenteritis and colitis, unspecified
Approximate Synonyms
  • Enteropathic arthritis of foot
  • Enteropathic arthritis of L ankle
  • Enteropathic arthritis of left ankle
  • Enteropathic arthritis of R ankle
  • Enteropathic arthritis of right ankle
009.1 Excludes
ICD-9-CM Volume 2 Index entries containing back-references to 009.1:
  • 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 009.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.