Diagnosis Code: A09

Short Description: Infectious gastroenteritis and colitis, unspecified

Long Description: Infectious gastroenteritis and colitis, unspecified

The code A09 is VALID for claim submission

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: 2022 ICD-10-CM

Synonyms

• Acute erosive gastritis
• Acute gastroenteritis
• Acute gastroenteritis
• Acute gastroenteritis
• Acute gastroenteritis
• Acute infectious nonbacterial gastroenteritis
• Acute infective gastroenteritis
• Acute ulcerative gastroenteritis complicating pneumonia
• Aspergillosis enteritis of intestine
• Aspergillosis enteritis of intestine
• Aspergillus colitis
• Blastomycotic enteritis of intestine
• Catarrhal dysentery
• Colitis presumed infectious
• Colitis, enteritis and gastroenteritis presumed infectious
• Diarrhea of presumed infectious origin
• Disease due to superfamily Heterocheiloidea
• Disease of presumed infectious origin
• Disease of presumed infectious origin
• Disease of presumed infectious origin
• Disease of presumed infectious origin
• Disease of presumed infectious origin
• Disorder of gastrointestinal tract co-occurrent with human immunodeficiency virus infection
• Disorder of gastrointestinal tract co-occurrent with human immunodeficiency virus infection
• Dysenteric diarrhea
• Enteritis of intestine presumed infectious
• Enteritis of small intestine presumed infectious
• Epidemic diarrhea
• Epidemic gastroenteritis
• Erosive gastritis
• Fungal colitis
• Fungal colitis
• Fungal duodenitis
• Fungal gastrointestinal infection
• Gastroenteritis presumed infectious
• Gastrointestinal infection
• Herpes simplex gastrointestinal tract infection
• Infection by Anisakidae
• Infection by Anisakis larva
• Infection by Blastomyces dermatitidis
• Infection of digestive system
• Infection of intestine caused by Anisakis larva
• Infection of large intestine
• Infectious colitis
• Infectious diarrheal disease
• Infectious disease of digestive tract
• Infectious enteritis of intestine
• Infectious gastroenteritis
• Infectious gastroenteritis co-occurrent with human immunodeficiency virus infection
• Infectious gastroenteritis co-occurrent with human immunodeficiency virus infection
• Infectious gastroenteritis with AIDS
• Infective gastritis
• Inflammatory diarrhea
• Institution-acquired gastroenteritis
• Institutional environment related disease
• Intestinal infectious disease
• Phlegmonous enteritis of gastrointestinal tract
• Purulent enteritis
• Secondary acquired megacolon
• Suppurative gastritis
• Toddler diarrhea
• Toxic megacolon due to infectious colitis
• Toxic state

Diagnostic Related Group(s)

The code A09 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
• Esophagitis, Gastroenteritis 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

Similar Codes

This page was last updated on: 10/1/2023

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