2021 ICD-10-CM Codes for Merkel cell carcinoma (C4A)

    • ICD-10 Index

      • Neoplasms (C00–D48)

        • Melanoma and other malignant neoplasms of skin (C43-C44)

            • Merkel cell carcinoma (C4A)
            • C4A - Merkel cell carcinoma NON-BILLABLE CODE
            • C4A.0 - Merkel cell carcinoma of lip BILLABLE CODE
            • C4A.1 - Merkel cell carcinoma of eyelid, including canthus NON-BILLABLE CODE
            • C4A.10 - Merkel cell carcinoma of unsp eyelid, including canthus BILLABLE CODE
            • C4A.11 - Merkel cell carcinoma of right eyelid, including canthus NON-BILLABLE CODE
            • C4A.111 - Merkel cell carcinoma of right upper eyelid, inc canthus BILLABLE CODE
            • C4A.112 - Merkel cell carcinoma of right lower eyelid, inc canthus BILLABLE CODE
            • C4A.12 - Merkel cell carcinoma of left eyelid, including canthus NON-BILLABLE CODE
            • C4A.121 - Merkel cell carcinoma of left upper eyelid, inc canthus BILLABLE CODE
            • C4A.122 - Merkel cell carcinoma of left lower eyelid, inc canthus BILLABLE CODE
            • C4A.2 - Merkel cell carcinoma of ear and external auricular canal NON-BILLABLE CODE
            • C4A.20 - Merkel cell carcinoma of unsp ear and external auric canal BILLABLE CODE
            • C4A.21 - Merkel cell carcinoma of right ear and external auric canal BILLABLE CODE
            • C4A.22 - Merkel cell carcinoma of left ear and external auric canal BILLABLE CODE
            • C4A.3 - Merkel cell carcinoma of other and unspecified parts of face NON-BILLABLE CODE
            • C4A.30 - Merkel cell carcinoma of unspecified part of face BILLABLE CODE
            • C4A.31 - Merkel cell carcinoma of nose BILLABLE CODE
            • C4A.39 - Merkel cell carcinoma of other parts of face BILLABLE CODE
            • C4A.4 - Merkel cell carcinoma of scalp and neck BILLABLE CODE
            • C4A.5 - Merkel cell carcinoma of trunk NON-BILLABLE CODE
            • C4A.51 - Merkel cell carcinoma of anal skin BILLABLE CODE
            • C4A.52 - Merkel cell carcinoma of skin of breast BILLABLE CODE
            • C4A.59 - Merkel cell carcinoma of other part of trunk BILLABLE CODE
            • C4A.6 - Merkel cell carcinoma of upper limb, including shoulder NON-BILLABLE CODE
            • C4A.60 - Merkel cell carcinoma of unsp upper limb, including shoulder BILLABLE CODE
            • C4A.61 - Merkel cell carcinoma of right upper limb, inc shoulder BILLABLE CODE
            • C4A.62 - Merkel cell carcinoma of left upper limb, including shoulder BILLABLE CODE
            • C4A.7 - Merkel cell carcinoma of lower limb, including hip NON-BILLABLE CODE
            • C4A.70 - Merkel cell carcinoma of unsp lower limb, including hip BILLABLE CODE
            • C4A.71 - Merkel cell carcinoma of right lower limb, including hip BILLABLE CODE
            • C4A.72 - Merkel cell carcinoma of left lower limb, including hip BILLABLE CODE
            • C4A.8 - Merkel cell carcinoma of overlapping sites BILLABLE CODE
            • C4A.9 - Merkel cell carcinoma, unspecified BILLABLE CODE