2026
ICD-10-CM
Diagnosis
Code

C4A.1 Merkel cell carcinoma of eyelid, including canthus

  • Non-billable
  • 2016–2026

C4A.1 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Merkel cell carcinoma of eyelid, including canthus.

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