ICD-10-CM · 2026
Hierarchy
ICD-10-CM 2026 Code
A09
Description
Infectious gastroenteritis and colitis, unspecified
Hierarchy Share
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Regulatory Details
Chapter 1Certain infectious and parasitic diseases
SectionIntestinal infectious diseases (A00-A09)
Inclusion TermsInfectious colitis NOS
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Related Codes
GEMs Crosswalks
ICD-9-CM
009.0
APPROXIMATE
ICD-11
1A40.Z
APPROXIMATE (WHO ICD-10 ↔ ICD-11 MAP)
ICD-9-CM
009.0
APPROXIMATE (REVERSE)
ICD-9-CM
009.1
APPROXIMATE (REVERSE)
ICD-9-CM
009.2
APPROXIMATE (REVERSE)
ICD-9-CM
009.3
APPROXIMATE (REVERSE)
ICD-11
1A40
APPROXIMATE (WHO ICD-10 ↔ ICD-11 MAP) (REVERSE)
ICD-11
1A40.Z
APPROXIMATE (WHO ICD-10 ↔ ICD-11 MAP) (REVERSE)
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