I21.4 – Non-ST elevation (NSTEMI) myocardial infarction
Coding Notes
Active
Billable, valid for HIPAA-covered transactions
Applicable To
Acute subendocardial myocardial infarction
Non-Q wave myocardial infarction NOS
Nontransmural myocardial infarction NOS
Type 1 non-ST elevation myocardial infarction
GEM Conversion to ICD-9 CM
MDC / MS-DRG Reference
Back Reference of Diagnostic Codes
Infarct, infarction
myocardium, myocardial
(acute) (with stated duration of 4 weeks or less)
I21.9
non-ST elevation
(NSTEMI)
I21.4
subendocardial
(acute) (nontransmural)
I21.4
Necrosis, necrotic
(ischemic)
See also Gangrene
subendocardial
(acute)
I21.4
Sibling Codes
Parent Sibling Codes
View in Tabular
Code | Title |
---|---|
I00-I99 | Diseases of the circulatory system (I00-I99) |
I20-I25 | Ischemic heart diseases (I20-I25) |
I21 | Acute myocardial infarction |
I21.4 |
Non-ST elevation (NSTEMI) myocardial infarction
Applicable to
Acute subendocardial myocardial infarction
Non-Q wave myocardial infarction NOS
Nontransmural myocardial infarction NOS
Type 1 non-ST elevation myocardial infarction
|