I20.0
Unstable angina
Billable
Code Hierarchy
I20I20.0
Chapter: 9. Diseases of the circulatory system
Section: I20-I25 - Ischemic heart diseases
Coding Guidelines
Inclusion Terms
- Accelerated angina
- Crescendo angina
- De novo effort angina
- Intermediate coronary syndrome
- Preinfarction syndrome
- Worsening effort angina
