ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 19, 2017

See: ST elevation (STEMI) myocardial infarction of other sites

  ICD-10 Code for ST elevation (STEMI) myocardial infarction involving other sites I21.29

I21.29 is a valid1 ICD 10 diagnosis code.

I21.29 is valid for submission for HIPAA-covered transactions.

Chapter 9 Diseases of the circulatory system (I00-I99)
Section I20-I25 Ischemic heart diseases (I20-I25)
Category I21 ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Acute transmural myocardial infarction of other sites
  • Apical-lateral transmural (Q wave) infarction (acute)
  • Basal-lateral transmural (Q wave) infarction (acute)
  • High lateral transmural (Q wave) infarction (acute)
  • Lateral (wall) NOS transmural (Q wave) infarction (acute)
  • Posterior (true) transmural (Q wave) infarction (acute)
  • Posterobasal transmural (Q wave) infarction (acute)
  • Posterolateral transmural (Q wave) infarction (acute)
  • Posteroseptal transmural (Q wave) infarction (acute)
  • Septal transmural (Q wave) infarction (acute) NOS
See also ICD 10 code for

Related Terms to “ST elevation (STEMI) myocardial infarction involving other sites”

  • Infarct, infarction
    • myocardium, myocardial(acute) (with stated duration of 4 weeks or less) - I21.3
      • ST elevation(STEMI) - I21.3
        • lateral(apical-lateral) (basal-lateral) (high) - I21.29
        • posterior(posterobasal) (posterolateral) (posteroseptal) (true) - I21.29
        • septal - I21.29
        • specified NEC - I21.29
      • transmural - I21.3
        • lateral NEC(apical-lateral) (basal-lateral) (high) - I21.29
        • posterior NEC(posterobasal) (posterolateral) (posteroseptal) (true) - I21.29
        • septal NEC - I21.29
        • specified NEC - I21.29
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.