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I20 Angina pectoris

ICD-10-CM category I20 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 6 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

I20.8 Other forms of angina pectoris

Billable codes in I20

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

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