I20.0 - Unstable angina
- Applicable to Unstable angina
- The 2025 edition of ICD10-CM I20.0 became effective on October 1, 2024.
- This is the American ICD10-CM version of I20.0 - other international versions of ICD10 I20.0 may differ.
- I20.0 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Accelerated angina
- Crescendo angina
- De novo effort angina
- Intermediate coronary syndrome
- Preinfarction syndrome
- Worsening effort angina
The following codes above I20.0 contain annotation back-references that may be applicable to I20.0:
Chapter: I00-I99 Diseases of the circulatory system
Section: I20-I25 Ischemic heart diseases
Category: I20 Angina pectoris
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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