I24 Other acute ischemic heart diseases

Category / Non-billable header 6 subcodes

Block: Ischemic heart diseases (I20-I25)

Excludes 1 (cannot be coded together)

  • angina pectoris (I20.-)
  • transient myocardial ischemia in newborn (P29.4)

Excludes 2 (not included here)

  • non-ischemic myocardial injury (I5A)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I24..0 Acute coronary thrombosis not resulting in myocardial infarction Yes
I24..1 Dressler's syndrome Yes
I24..8 Other forms of acute ischemic heart disease No
I24..81 Acute coronary microvascular dysfunction Yes
I24..89 Other forms of acute ischemic heart disease Yes
I24..9 Acute ischemic heart disease, unspecified Yes

Last reviewed: September 2026