ICD-9-CM diagnosis code (retired)
055.9 — Measles without mention of complication
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 055.9
055.9 is an ICD-9-CM diagnosis code for measles without mention of complication. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, B05.9 (Measles without complication). The match is exact.
ICD-10-CM equivalents
- B05.9Measles without complicationexact match
Common questions about 055.9
What is the ICD-10 code for ICD-9 055.9?
- The GEMs map 055.9 to ICD-10-CM B05.9.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.