ICD 10 CM Codes

I21.9 Acute myocardial infarction, unspecified
Billable Code  is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
GEMS
ICD-10-CM I21.9 converts approximately to:ICD-9-CM
2018 ICD-9-CM 410.90 Acute myocardial infarction of unspecified site, episode of care unspecified
GEMS
ICD-10-CM I21.9 converts approximately to:ICD-9-CM
2018 ICD-9-CM 410.91 Acute myocardial infarction of unspecified site, initial episode of care
GEMS
ICD-10-CM I21.9 converts approximately to:ICD-9-CM
2018 ICD-9-CM 410.92 Acute myocardial infarction of unspecified site, subsequent episode of care
Alternate Description
Myocardial infarction (acute) NOS