ICD-9-CM diagnosis code (retired)
411.81 — Acute coronary occlusion without myocardial 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 411.81
411.81 is an ICD-9-CM diagnosis code for acute coronary occlusion without myocardial 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, I24.0 (Acute coronary thrombosis not resulting in myocardial infarction). The match is exact.
ICD-10-CM equivalents
- I24.0Acute coronary thrombosis not resulting in myocardial infarctionexact match
Common questions about 411.81
What is the ICD-10 code for ICD-9 411.81?
- The GEMs map 411.81 to ICD-10-CM I24.0.
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.