556.6
Universal ulcerative (chronic) colitis
The ICD-9 code for universal ulcerative (chronic) colitis is 556.6.
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 556.6 →