C4A - Merkel cell carcinoma
C4A.6 - Merkel cell carcinoma of upper limb, including shoulder
C4A.60 - Merkel cell carcinoma of unspecified upper limb, including shoulder
C4A.61 - Merkel cell carcinoma of right upper limb, including shoulder
C4A.62 - Merkel cell carcinoma of left upper limb, including shoulder