555.9
Regional enteritis of unspecified site
The ICD-9 code for regional enteritis of unspecified site is 555.9.
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 555.9 →