ICD-9-CM diagnosis code (retired)
850.11 — Concussion, with loss of consciousness of 30 minutes or less
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 850.11
850.11 is an ICD-9-CM diagnosis code for concussion, with loss of consciousness of 30 minutes or less. 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, S06.0X1A (Concussion with loss of consciousness of 30 minutes or less, initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- S06.0X1AConcussion with loss of consciousness of 30 minutes or less, initial encounterapproximate
Common questions about 850.11
What is the ICD-10 code for ICD-9 850.11?
- The GEMs map 850.11 to ICD-10-CM S06.0X1A.
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.