Collaborative Stage for TNM 7 - Revised 11/29/2010
MerkelCellSkin
Merkel Cell Carcinoma of the Skin (excluding Merkel Cell Carcinoma of Penis, Scrotum and Penis)
C44.0, C44.2-C44.9
- M-8247
- C44.0 Skin of lip, NOS
- C44.2 External ear
- C44.3 Skin of ear and unspecified parts of face
- C44.4 Skin of scalp and neck
- C44.5 Skin of trunk
- C44.6 Skin of upper limb and shoulder
- C44.7 Skin of lower limb and hip
- C44.8 Overlapping lesion of skin
- C44.9 Skin, NOS
- Note 1: This schema is NOT used for Merkel cell carcinoma of the vulva, penis, or scrotum. Each of these has a separate schema.
- Note 2: Laterality must be coded for C44.2-C44.3 and C44.5-C44.7. For codes C44.3 and C44.5, if the tumor is midline (e.g., chin), code 5 (midline) in the laterality field.
- Note 3: Merkel cell carcinoma presenting in nodal or visceral site with primary site unknown are coded to C44.9, Skin, NOS.