ICD-10-CM › I00-I99 › I20-I25 › I20.8 Other forms of angina pectoris › I20.89

Valid for claims with a date of service in the current code year.

Valid FY2024 onwards.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I20 Angina pectoris

Excludes1 - never coded here

• 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)

Inherited from the I20-I25 section Ischemic heart diseases (I20-I25)

Code also

• the presence of hypertension (I10-I1A)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Sternalgia
• Pseudoangina
• Pain > coronary
• Angina > variant
• Angina > of effort
• Syndrome > anginal
• Angina > Prinzmetal
• Angina > stenocardia
• Angina > angiospastic
• Angina > spasm-induced
• Attack, attacks > angina
• Ischemia, ischemic > demand
• Ischemia, ischemic > supply
• Stenocardia
• Angina > stable
• Likoff's syndrome
• Syncope > anginosa
• Angina > equivalent
• Syndrome > Likoff's
• Syndrome > Heberden's
• Angina > specified NEC
• Schaufenster krankheit
• Slow > flow syndrome, coronary
• Syndrome > slow flow, coronary
• Syndrome > coronary > slow flow

Codes in the same group

Code	Description	Status
I20.81	Angina pectoris with coronary microvascular dysfunction	Valid