I22.2

Billable

Subsequent non-ST elevation (NSTEMI) myocardial infarction

Diseases of the circulatory system (I00-I99)

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Also Known As

Subsequent acute subendocardial myocardial infarctionSubsequent non-Q wave myocardial infarction NOSSubsequent nontransmural myocardial infarction NOS

Excludes1

inherited from I22

Rules from parent category I22: Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

  • subsequent myocardial infarction, type 2 (I21.A1)
  • subsequent myocardial infarction of other type (type 3) (type 4) (type 5) (I21.A9)

📋 Code Instructions

from I22
  • code, if applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

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Code Information

CodeI22.2
BillableYes
ParentI22
CategoryDiseases of the circulatory system (I00-I99)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)