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I20 - Angina pectoris


The ICD 10 Code for Angina pectoris is listed as I20.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I20
Description: Angina pectoris
  • Use additional code to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco use (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
  • Excludes1: 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)
Chapter Diseases of the circulatory system (I00-I99)
ICD-10-CM Children (deeper level / typically more specific) of I20:
I20.0 - Unstable angina
I20.1 - Angina pectoris with documented spasm
I20.8 - Other forms of angina pectoris
I20.9 - Angina pectoris, unspecified