C44.102Unspecified malignant neoplasm of skin of right eyelid, including canthus

C44.102 is the ICD-10-CM diagnosis code for unspecified malignant neoplasm of skin of right eyelid, including canthus. It belongs to category C44 (other and unspecified malignant neoplasm of skin), block C43-C44 (melanoma and other malignant neoplasms of skin) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within C44.10 (unspecified malignant neoplasm of skin of eyelid, including canthus), C44.102 is specifically for unspecified malignant neoplasm of skin of right eyelid, including canthus. Related codes cover unspecified eyelid, including canthus (C44.101) and left eyelid, including canthus (C44.109).

To report this condition, pick the subcode that matches the documentation: C44.1021 (canthus) and C44.1022 (canthus).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2019 (expanded into subcodes).

Before ICD-10, this condition was coded in ICD-9-CM as 173.10 (unspecified malignant neoplasm of eyelid, including canthus).