Demand ischemia and MI type 2 codes

Good Morning

Can anyone tell me when did Demand Ischemia and MI type 2 codes came into effect?  Was these codes used prior to October 2017?

Thanks for your help!

Renee M, RN, CCDS


  • Demand ischemia is coded as I24.8 (Other forms of acute ischemic heart disease) and that is part of the ICD-10-CM code set adopted in 2015.  The code for Type II myocardial infraction, I21.81 was added in 2017.
  • Type 2 MI (code I21.A1) was added to ICD-10 for FY 2018 effective 10/1/17.

    Richard D. Pinson, MD, FACP, CCS
    Pinson & Tang
    CDI Educators and Advisers
    Authors of the CDI Pocket Guide

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