ICD-9 20931 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 20931.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- C4A.0Merkel cell carcinoma of lipApproximate match
- C4A.10Merkel cell carcinoma of unspecified eyelid, including canthusApproximate match
- C4A.11Merkel cell carcinoma of right eyelid, including canthusApproximate match
- C4A.12Merkel cell carcinoma of left eyelid, including canthusApproximate match
- C4A.20Merkel cell carcinoma of unspecified ear and external auricular canalApproximate match
- C4A.21Merkel cell carcinoma of right ear and external auricular canalApproximate match
- C4A.22Merkel cell carcinoma of left ear and external auricular canalApproximate match
- C4A.30Merkel cell carcinoma of unspecified part of faceApproximate match
- C4A.31Merkel cell carcinoma of noseApproximate match
- C4A.39Merkel cell carcinoma of other parts of faceApproximate match