Question: what is the difference between demand ischemia and type 2 mi?
Answer: A clinically correct distinction between demand ischemia and type 2 MI is crucial because demand ischemia has far less impact on severity classification. Types 3, 4a, 4b, and 5 are all lumped together in a single code (I21. ... Type 2 MI (supply/demand mismatch) is coded as I21. A1 whether initial or subsequent.