ICD-9-CM diagnosis code (retired)
995.22 — Unspecified adverse effect of anesthesia
About ICD-9-CM 995.22
995.22 is an ICD-9-CM diagnosis code for unspecified adverse effect of anesthesia. 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 7 ICD-10-CM codes, such as T41.0X5A (Adverse effect of inhaled anesthetics, initial encounter), T41.1X5A (Adverse effect of intravenous anesthetics, initial encounter) and T41.205A (Adverse effect of unspecified general anesthetics, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T41.0X5AAdverse effect of inhaled anesthetics, initial encounterapproximate
- T41.1X5AAdverse effect of intravenous anesthetics, initial encounterapproximate
- T41.205AAdverse effect of unspecified general anesthetics, initial encounterapproximate
- T41.295AAdverse effect of other general anesthetics, initial encounterapproximate
- T41.3X5AAdverse effect of local anesthetics, initial encounterapproximate
- T41.45XAAdverse effect of unspecified anesthetic, initial encounterapproximate
- T88.59XAOther complications of anesthesia, initial encounterapproximate
Common questions about 995.22
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.