558.3
Allergic gastroenteritis and colitis
The ICD-9 code for allergic gastroenteritis and colitis is 558.3.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 558.3 →