ICD-9-CM diagnosis code (retired)
442.81 — Aneurysm of artery of neck
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 442.81
442.81 is an ICD-9-CM diagnosis code for aneurysm of artery of neck. 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 3 ICD-10-CM codes, such as I72.0 (Aneurysm of carotid artery), I72.5 (Aneurysm of other precerebral arteries) and I72.6 (Aneurysm of vertebral artery). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 442.81
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.