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I20Angina pectoris

Non-Billable/Non-Specific

Use Additional

  • code to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Type 1 Excludes

  • angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-)
  • atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-)
  • postinfarction angina (I23.7)

Codes

  • I20.0Unstable angina
  • I20.1Angina pectoris with documented spasm
  • I20.2Refractory angina pectoris
  • I20.8Other forms of angina pectoris
    • I20.81Angina pectoris with coronary microvascular dysfunction
    • I20.89Other forms of angina pectoris
  • I20.9Angina pectoris, unspecified