ICD-9-CM diagnosis code (retired)
873.9 — Other and unspecified open wound of head, 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 873.9
873.9 is an ICD-9-CM diagnosis code for other and unspecified open wound of head, 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 2 ICD-10-CM codes, such as S01.90XA (Unspecified open wound of unspecified part of head, initial encounter) and S01.92XA (Laceration with foreign body of unspecified part of head, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 873.9
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.