C4A.2 – Merkel cell carcinoma of ear and external auricular canal
Coding Notes
Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions
Child Codes
Sibling Codes
Parent Sibling Codes
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| Code | Title |
|---|---|
| C00-D49 | Neoplasms (C00-D49) |
| C43-C44 | Melanoma and other malignant neoplasms of skin (C43-C44) |
| C4A | Merkel cell carcinoma |
| C4A.2 | Merkel cell carcinoma of ear and external auricular canal |
| C4A.20 | Merkel cell carcinoma of unspecified ear and external auricular canal |
| C4A.21 | Merkel cell carcinoma of right ear and external auricular canal |
| C4A.22 | Merkel cell carcinoma of left ear and external auricular canal |