C4A.11
C4A.11 — Merkel cell carcinoma of right eyelid, including canthus
Non-billable headerICD-10-CMright
C4A.11 is a non-billable header ICD-10-CM code for merkel cell carcinoma of right eyelid, including canthus. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
C4A.11 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead C4A.11
2 child codes. Green means billable.
Related codes at this level
Codes that share C4A.1. If C4A.11 is not quite right, the correct code is usually one of these.
Questions about C4A.11
- Is C4A.11 a billable ICD-10-CM code?
- No. C4A.11 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does C4A.11 sit in the tabular list?
- Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).