Skip to content
HCC Buddy home

I20

Non-Billable (Header)

Angina pectoris

Excludes 1 — Do NOT code together

  • 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)

Use Additional Code

  • 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)

Child Codes

I20.0Unstable angina
HCC 229
I20.1Angina pectoris with documented spasm
I20.2Refractory angina pectoris
I20.8Other forms of angina pectoris
I20.9Angina pectoris, unspecified

Code Hierarchy

└I20Angina pectoris
└I20Angina pectoris

Open I20 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial