Is I20.81 a billable code?
Yes. I20.81 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
I20.81: Angina pectoris with coronary microvascular dysfunction
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
I20.81 is a billable ICD-10-CM diagnosis code for angina pectoris with coronary microvascular dysfunction. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with I20.81 already added.Good Faith EstimateStart a cost estimate with I20.81 already added.CMS-1500 Claim FormFill a claim form with I20.81 in box 21.
Other codes in I20.8 Other forms of angina pectoris
I20.81 questions
What does I20.81 mean?
I20.81 is the ICD-10-CM code for Angina pectoris with coronary microvascular dysfunction. It is in chapter 9, Diseases of the circulatory system (I00-I99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.