ICD-10-CM category
C43 Malignant melanoma of skin
C43 is a category, not a billable code. Report one of the 24 complete codes below.
Codes in C43
- C43.0Malignant melanoma of lip
- C43.10Malignant melanoma of unspecified eyelid, including canthus
- C43.111Malignant melanoma of right upper eyelid, including canthus
- C43.112Malignant melanoma of right lower eyelid, including canthus
- C43.121Malignant melanoma of left upper eyelid, including canthus
- C43.122Malignant melanoma of left lower eyelid, including canthus
- C43.20Malignant melanoma of unspecified ear and external auricular canal
- C43.21Malignant melanoma of right ear and external auricular canal
- C43.22Malignant melanoma of left ear and external auricular canal
- C43.30Malignant melanoma of unspecified part of face
- C43.31Malignant melanoma of nose
- C43.39Malignant melanoma of other parts of face
- C43.4Malignant melanoma of scalp and neck
- C43.51Malignant melanoma of anal skin
- C43.52Malignant melanoma of skin of breast
- C43.59Malignant melanoma of other part of trunk
- C43.60Malignant melanoma of unspecified upper limb, including shoulder
- C43.61Malignant melanoma of right upper limb, including shoulder
- C43.62Malignant melanoma of left upper limb, including shoulder
- C43.70Malignant melanoma of unspecified lower limb, including hip
- C43.71Malignant melanoma of right lower limb, including hip
- C43.72Malignant melanoma of left lower limb, including hip
- C43.8Malignant melanoma of overlapping sites of skin
- C43.9Malignant melanoma of skin, unspecified
Outside the US? C43 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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