ICD-10 diagnosis code
A09 Other gastroenteritis and colitis of infectious and unspecified origin
A09 is the ICD-10 code for Other gastroenteritis and colitis of infectious and unspecified origin. It is a three-character category divided into 2 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block A00–A09 (Intestinal infectious diseases) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Category (3 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What A09 excludes
Conditions that look similar but belong under another code.
Subcodes of A09
A09 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A09Annan gastroenterit och kolit av infektiös och ospecificerad orsak
DA09Anden gastroenteritis og colitis af infektiøs eller ikke specificeret årsag
A09Tarttuvaksi oletettu ripuli ja maha-suolitulehdus
A09Sonstige und nicht näher bezeichnete Gastroenteritis und Kolitis infektiösen und nicht näher bezeichneten Ursprungs
A09Diarrhée et gastro-entérite d'origine présumée infectieuse
A09diarree en gastro-enteritis van verondersteld infectieuze oorsprong
A09Infectious gastroenteritis and colitis, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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