ICD-9-CM diagnosis code (retired)
848.40 — Sprain of sternum, unspecified site
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 848.40
848.40 is an ICD-9-CM diagnosis code for sprain of sternum, unspecified site. 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, S23.429A (Unspecified sprain of sternum, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- S23.429AUnspecified sprain of sternum, initial encounterapproximate
Common questions about 848.40
What is the ICD-10 code for ICD-9 848.40?
- The GEMs map 848.40 to ICD-10-CM S23.429A.
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.