D04.10
BillableCarcinoma in situ of skin of unspecified eyelid, including canthus
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
This code describes an early-stage skin cancer (carcinoma in situ) on the eyelid or corner of the eye that has not yet invaded deeper layers of skin. It is a precancerous condition that requires monitoring and treatment to prevent progression to invasive cancer.
Coding Tips
- •Use this code only when the pathology report explicitly states 'carcinoma in situ' - do not use for invasive melanoma or other invasive skin cancers
- •The code specifies 'unspecified eyelid' - if documentation clearly identifies right or left eyelid, consider using more specific laterality codes (D04.11 for right, D04.12 for left) if available in your coding system
Code Hierarchy
└D04Carcinoma in situ of skin└D04.1Carcinoma in situ of skin of eyelid, including canthus└D04.10Carcinoma in situ of skin of unspecified eyelid, including canthus
└D04.10Carcinoma in situ of skin of unspecified eyelid, including canthus