ICD-9 17320 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 17320.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- C44.201Unspecified malignant neoplasm of skin of unspecified ear and external auricular canalApproximate match
- C44.202Unspecified malignant neoplasm of skin of right ear and external auricular canalApproximate match
- C44.209Unspecified malignant neoplasm of skin of left ear and external auricular canalApproximate match