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ICD-10-CM Codes › C00-D49 › C43-C4A › Malignant melanoma of skin C43

Malignant melanoma of skin C43-

Type 1 Excludes melanoma in situ (D03.-)

Type 2 Excludes

malignant melanoma of skin of genital organs (C51-C52, C60., C63.-)

  • Merkel cell carcinoma (C4A.-)
  • sites other than skin-code to malignant neoplasm of the site

Clinical Information

A primary melanoma arising from atypical melanocytes in the skin. Precursor lesions include acquired and congenital melanocytic nevi, and dysplastic nevi. Several histologic variants have been recognized, including superficial spreading melanoma, acral lentiginous melanoma, nodular melanoma, and lentigo maligna melanoma.

Codes

  1. C43 Malignant melanoma of skin
  2. C43.0 Malignant melanoma of lip
  3. C43.1 Malignant melanoma of eyelid, including canthus
    • C43.10 Malignant melanoma of unspecified eyelid, including canthus
    • C43.11 Malignant melanoma of right eyelid, including canthus
    • C43.111 Malignant melanoma of right upper eyelid, including canthus
    • C43.112 Malignant melanoma of right lower eyelid, including canthus
    • C43.12 Malignant melanoma of left eyelid, including canthus
    • C43.121 Malignant melanoma of left upper eyelid, including canthus
    • C43.122 Malignant melanoma of left lower eyelid, including canthus
  4. C43.2 Malignant melanoma of ear and external auricular canal
    • C43.20 Malignant melanoma of unspecified ear and external auricular canal
    • C43.21 Malignant melanoma of right ear and external auricular canal
    • C43.22 Malignant melanoma of left ear and external auricular canal
  5. C43.3 Malignant melanoma of other and unspecified parts of face
    • C43.30 Malignant melanoma of unspecified part of face
    • C43.31 Malignant melanoma of nose
    • C43.39 Malignant melanoma of other parts of face
  6. C43.4 Malignant melanoma of scalp and neck
  7. C43.5 Malignant melanoma of trunk
    • C43.51 Malignant melanoma of anal skin
    • C43.52 Malignant melanoma of skin of breast
    • C43.59 Malignant melanoma of other part of trunk
  8. C43.6 Malignant melanoma of upper limb, including shoulder
    • C43.60 Malignant melanoma of unspecified upper limb, including shoulder
    • C43.61 Malignant melanoma of right upper limb, including shoulder
    • C43.62 Malignant melanoma of left upper limb, including shoulder
  9. C43.7 Malignant melanoma of lower limb, including hip
    • C43.70 Malignant melanoma of unspecified lower limb, including hip
    • C43.71 Malignant melanoma of right lower limb, including hip
    • C43.72 Malignant melanoma of left lower limb, including hip
  10. C43.8 Malignant melanoma of overlapping sites of skin
  11. C43.9 Malignant melanoma of skin, unspecified

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