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I20
Angina pectoris
Additional Codes
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Type 1 Excludes
- angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-)
- atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-)
- postinfarction angina (I23.7)
Related Medical Terms
Glossary entries related to this code
Children (7)
Code | Description | Billable | Details |
|---|---|---|---|
| I20.0 | Unstable angina | ||
| I20.1 | Angina pectoris with documented spasm | ||
| I20.2 | Refractory angina pectoris | ||
| I20.8 | Other forms of angina pectoris | Additional Codes (1) | |
| I20.81 | Angina pectoris with coronary microvascular dysfunction | ||
| I20.89 | Other forms of angina pectoris | ||
| I20.9 | Angina pectoris, unspecified |
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