ICD-11 classes
11 Diseases of the circulatory system
Ischaemic heart diseases
Acute ischaemic heart disease
BA42 — Subsequent myocardial infarction
BA42.1 — Subsequent myocardial infarction, non-ST elevation...

ICD-11 BA42.1 — Subsequent myocardial infarction, non-ST elevation myocardial infarction

Extension or recurrent myocardial infarction. For morbidity coding, this category should be assigned for infarction of any myocardial site, occurring within 4 weeks (28 days) from onset of a previous infarction. This most commonly results from severe obstruction, but not total occlusion, of the culprit coronary artery.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.