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ICD-10-CM Codes I00-I99 I20-I25 I20

ICD-10-CM Diagnosis Code I20

Angina pectoris

Go Back to Chapter - I00-I99 | Section - I20-I25 Go back

Use Additional for I20:

  • 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)

Excludes-1 for I20:

  • 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 Hierarchy:

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