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ICD-9-CM diagnosis code (retired)

434.10 — Cerebral embolism 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 434.10

434.10 is an ICD-9-CM diagnosis code for cerebral embolism 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 4 ICD-10-CM codes, such as I66.09 (Occlusion and stenosis of unspecified middle cerebral artery), I66.19 (Occlusion and stenosis of unspecified anterior cerebral artery) and I66.29 (Occlusion and stenosis of unspecified posterior cerebral artery). All of these are approximate matches, so review the record to pick the right one.

ICD-10-CM equivalents

Common questions about 434.10

What is the ICD-10 code for ICD-9 434.10?

The GEMs map 434.10 to ICD-10-CM I66.09, I66.19, I66.29 and I66.9.

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.