C4A.2 Merkel cell carcinoma of ear and external auricular canal
Non-billable header ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Merkel cell carcinoma of ear and external auricular canal | no |
Related codes in C4A
- C4A Merkel cell carcinoma
- C4A.0 Merkel cell carcinoma of lip
- C4A.1 Merkel cell carcinoma of eyelid, including canthus
- C4A.10 Merkel cell carcinoma of unspecified eyelid, including canthus
- C4A.11 Merkel cell carcinoma of right eyelid, including canthus
- C4A.111 Merkel cell carcinoma of right upper eyelid, including canthus
- C4A.112 Merkel cell carcinoma of right lower eyelid, including canthus
- C4A.12 Merkel cell carcinoma of left eyelid, including canthus
- C4A.121 Merkel cell carcinoma of left upper eyelid, including canthus
- C4A.122 Merkel cell carcinoma of left lower eyelid, including canthus
- 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
- C4A.3 Merkel cell carcinoma of other and unspecified parts of face
- C4A.30 Merkel cell carcinoma of unspecified part of face
- C4A.31 Merkel cell carcinoma of nose
- C4A.39 Merkel cell carcinoma of other parts of face
- C4A.4 Merkel cell carcinoma of scalp and neck
- C4A.5 Merkel cell carcinoma of trunk
- C4A.51 Merkel cell carcinoma of anal skin