ICD-9-CM diagnosis code (retired)
873.70 — Open wound of mouth, unspecified site, complicated
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 873.70
873.70 is an ICD-9-CM diagnosis code for open wound of mouth, unspecified site, complicated. 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, S01.522A (Laceration with foreign body of oral cavity, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- S01.522ALaceration with foreign body of oral cavity, initial encounterapproximate
Common questions about 873.70
What is the ICD-10 code for ICD-9 873.70?
- The GEMs map 873.70 to ICD-10-CM S01.522A.
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.