ICD-9-CM diagnosis code (retired)
786.6 — Swelling, mass, or lump in chest
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 786.6
786.6 is an ICD-9-CM diagnosis code for swelling, mass, or lump in chest. 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, R22.2 (Localized swelling, mass and lump, trunk). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- R22.2Localized swelling, mass and lump, trunkapproximate
Common questions about 786.6
What is the ICD-10 code for ICD-9 786.6?
- The GEMs map 786.6 to ICD-10-CM R22.2.
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.