ICD-10-CM I20.1 → ICD-9
Angina pectoris with documented spasm
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 4131
Angina pectoris with documented spasm
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.