I21 Non-Billable Code
Acute myocardial infarction
Chapter Classification
Chapter 9
Diseases of the circulatory system (I00-I99)
Section Detail
I20-I25
Ischemic heart diseases (I20-I25)
Coding Guidelines & Notes
includes
- cardiac infarction
- coronary (artery) embolism
- coronary (artery) occlusion
- coronary (artery) rupture
- coronary (artery) thrombosis
- infarction of heart, myocardium, or ventricle
- myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset
excludes2
- old myocardial infarction (I25.2)
- postmyocardial infarction syndrome (I24.1)
- subsequent type 1 myocardial infarction (I22.-)
useAdditionalCode
- 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)
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
- I21.0 - ST elevation (STEMI) myocardial infarction of anterior wall
- I21.1 - ST elevation (STEMI) myocardial infarction of inferior wall
- I21.2 - ST elevation (STEMI) myocardial infarction of other sites
- I21.3 - ST elevation (STEMI) myocardial infarction of unspecified site Billable
- I21.4 - Non-ST elevation (NSTEMI) myocardial infarction Billable
- I21.9 - Acute myocardial infarction, unspecified Billable
- I21.A - Other type of myocardial infarction
- I21.B - Myocardial infarction with coronary microvascular dysfunction Billable
Stop wrestling with ICD-10 lookup tables.
Bedrock Billing automatically validates diagnosis codes.
Start Pricing Claims