C4A.2

Non-Billable

Merkel cell carcinoma of ear and external auricular canal

C4A.2 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • C4A.20Merkel cell carcinoma of unspecified ear and external auricular canal
  • C4A.21Merkel cell carcinoma of right ear and external auricular canal
  • C4A.22Merkel cell carcinoma of left ear and external auricular canal
AI Search
Analyze diagnoses and doctors notes