ICD 10 CM Codes

I21.4 Non-ST elevation (NSTEMI) myocardial infarction
Billable Code  is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
GEMS
ICD-10-CM I21.4 converts approximately to:ICD-9-CM
2018 ICD-9-CM 410.71 Subendocardial infarction, initial episode of care
Alternate Description
Acute subendocardial myocardial infarction
Non-Q wave myocardial infarction NOS
Nontransmural myocardial infarction NOS
Type 1 non-ST elevation myocardial infarction
ICD-10-CM Index Entry
ICD-10-CM Index entries containing back-references to ICD-10-CM '.I21.4.'
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); non-Q wave
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); non-ST elevation (NSTEMI)
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); nontransmural
Infarct, infarction; nontransmural
Infarct, infarction; subendocardial (acute) (nontransmural)
Necrosis, necrotic (ischemic); subendocardial (acute)