2026
ICD-10-CM
Diagnosis
Code

C4A.2 Merkel cell carcinoma of ear and external auricular canal

  • Non-billable
  • 2016–2026

C4A.2 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Merkel cell carcinoma of ear and external auricular canal.

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