ICD-10-CM · Chapter 9 · I00–I99
I21.29
ST elevation (STEMI) myocardial infarction involving other sites
Diseases of the circulatory system
Quick facts
- Code
- I21.29
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I21 — Acute myocardial infarction
- Specificity
- 5 characters
How coders use this code
ICD-10-CM I21.29 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of st elevation (stemi) myocardial infarction involving other sites. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in I21
- I21Acute myocardial infarction
- I21.0ST elevation (STEMI) myocardial infarction of anterior wall
- I21.01ST elevation (STEMI) myocardial infarction involving left main coronary artery
- I21.02ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
- I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
- I21.1ST elevation (STEMI) myocardial infarction of inferior wall
- I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery
- I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
- I21.2ST elevation (STEMI) myocardial infarction of other sites
- I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
- I21.3ST elevation (STEMI) myocardial infarction of unspecified site
- I21.4Non-ST elevation (NSTEMI) myocardial infarction
- I21.9Acute myocardial infarction, unspecified
- I21.AOther type of myocardial infarction
- I21.A1Myocardial infarction type 2
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