ICD-9-CM diagnosis code (retired)
433.80 — Occlusion and stenosis of other specified precerebral artery without mention of cerebral infarction
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 433.80
433.80 is an ICD-9-CM diagnosis code for occlusion and stenosis of other specified precerebral artery without mention of cerebral infarction. 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, I65.8 (Occlusion and stenosis of other precerebral arteries). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- I65.8Occlusion and stenosis of other precerebral arteriesapproximate
Common questions about 433.80
What is the ICD-10 code for ICD-9 433.80?
- The GEMs map 433.80 to ICD-10-CM I65.8.
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.