ICD-9-CM diagnosis code (retired)
848.42 — Sprain of chondrosternal (joint)
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 848.42
848.42 is an ICD-9-CM diagnosis code for sprain of chondrosternal (joint). 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, S23.421A (Sprain of chondrosternal joint, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- S23.421ASprain of chondrosternal joint, initial encounterapproximate
Common questions about 848.42
What is the ICD-10 code for ICD-9 848.42?
- The GEMs map 848.42 to ICD-10-CM S23.421A.
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.