ICD-9-CM procedure code (retired)
99.81 — Hypothermia (central) (local)
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 99.81
99.81 is an ICD-9-CM procedure code for hypothermia (central) (local). ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to one ICD-10-PCS code, 6A4Z0ZZ (Hypothermia, Single). The match is approximate, so confirm it against the record.
ICD-10-PCS equivalents
- 6A4Z0ZZHypothermia, Singleapproximate
Common questions about 99.81
What is the ICD-10 code for ICD-9 99.81?
- The GEMs map 99.81 to ICD-10-PCS 6A4Z0ZZ.
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.