I22
Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Non-billableCategory
Chapter: 9. Diseases of the circulatory system
Section: I20-I25 - Ischemic heart diseases
Coding Guidelines
Includes
- acute myocardial infarction occurring within four weeks (28 days) of a previous acute myocardial infarction, regardless of site
- cardiac infarction
- coronary (artery) embolism
- coronary (artery) occlusion
- coronary (artery) rupture
- coronary (artery) thrombosis
- infarction of heart, myocardium, or ventricle
- recurrent myocardial infarction
- reinfarction of myocardium
- rupture of heart, myocardium, or ventricle
- subsequent type 1 myocardial infarction
Excludes1 (Mutually Exclusive)
These codes should never be used together with I22
- subsequent myocardial infarction, type 2 (I21.A1)
- subsequent myocardial infarction of other type (type 3) (type 4) (type 5) (I21.A9)
Use Additional Code
- code, if applicable, to identify:
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Specific Codes (5)
I22.0Billable
Subsequent ST elevation (STEMI) myocardial infarction of anterior wall
I22.1Billable
Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
I22.2Billable
Subsequent non-ST elevation (NSTEMI) myocardial infarction
I22.8Billable
Subsequent ST elevation (STEMI) myocardial infarction of other sites
I22.9Billable
Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
