C4AMerkel cell carcinoma
ICD-10-CM category (non-billable header) code — part of Melanoma and other malignant neoplasms of skin (C43-C44)
Subcategories (10)
- C4A.0 Merkel cell carcinoma of lip
- C4A.1 Merkel cell carcinoma of eyelid, including canthus
- C4A.2 Merkel cell carcinoma of ear and external auricular canal
- C4A.3 Merkel cell carcinoma of other and unspecified parts of face
- C4A.4 Merkel cell carcinoma of scalp and neck
- C4A.5 Merkel cell carcinoma of trunk
- C4A.6 Merkel cell carcinoma of upper limb, including shoulder
- C4A.7 Merkel cell carcinoma of lower limb, including hip
- C4A.8 Merkel cell carcinoma of overlapping sites
- C4A.9 Merkel cell carcinoma, unspecified