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unstable angina

Medical Definition

Precordial pain at rest, which may precede a myocardial infarction.

Wikipedia Summary

Unstable angina is a type of angina pectoris that is irregular or more easily provoked. It is classified as a type of acute coronary syndrome. It can be difficult to distinguish unstable angina from non-ST elevation (non-Q wave) myocardial infarction...
Related Codes (7)
Code
Description
Billable
Details
I20.0Unstable angina
I25.750Atherosclerosis of native coronary artery of transplanted heart with unstable angina
I25.760Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina
I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
Type 1 Excludes (1)
I25.720Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris
Type 1 Excludes (1)
I25.730Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris
Type 1 Excludes (1)
I25.790Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris
Type 1 Excludes (1)

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