I22.9

Applicable To

• Subsequent acute myocardial infarction of unspecified site

• Subsequent myocardial infarction acute) NOS

Approximate Synonyms

• Subseq st elevation mi, within 4 wks of previous mi

• Subsequent heart attack, within 4 weeks of previous heart attack

• Subsequent st elevation myocardial infarction, within 4 weeks of previous myocardial infarction

• Subsequent st segment elevation myocardial infarction

Details

• I22.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• Short description: Subsequent STEMI of unsp site

• The 2023 edition of ICD-10-CM I22.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of I22.9 – other international versions of ICD-10 I22.9 may differ.