I20.8 Other forms of angina pectoris

Non-billable header with 2 child codes.

Use additional code

• code(s) for symptoms associated with angina equivalent

Applies from I20 Angina pectoris

Excludes1 (never 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)

Codes under I20.8

• I20.81 Angina pectoris with coronary microvascular dysfunction
• I20.89 Other forms of angina pectoris

Approximate ICD-9-CM (GEMs)

• 413.9 Other and unspecified angina pectoris (approximate)

Code annotations containing back-references to I20.8

Back-references to I20.8

• Type 1 Excludes: I25.118 Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris ("other forms of angina pectoris without atherosclerotic heart disease (I20.8-)")
• Type 1 Excludes: I25.708 Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris ("other forms of angina pectoris without atherosclerosis of coronary artery bypass graft (I20.8-)")
• Type 1 Excludes: I25.718 Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris ("other forms of angina pectoris without atherosclerosis of autologous vein coronary artery bypass graft(s) (I20.8-)")
• Type 1 Excludes: I25.728 Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris ("other forms of angina pectoris without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.8-)")
• Type 1 Excludes: I25.738 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with other forms of angina pectoris ("other forms of angina pectoris without atherosclerosis of nonautologous biological coronary artery bypass graft(s) (I20.8-)")
• Type 1 Excludes: I25.798 Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris ("other forms of angina pectoris without atherosclerosis of other coronary artery bypass graft(s) (I20.8-)")

Back-references to I20

• Type 1 Excludes: I24 Other acute ischemic heart diseases ("angina pectoris (I20.-)")

Nearby codes

• 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 (this code)
• I20.81 Angina pectoris with coronary microvascular dysfunction
• I20.89 Other forms of angina pectoris
• I20.9 Angina pectoris, unspecified