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ICD-10-CM · FY 2026 APRIL UPDATE

C43

Malignant melanoma of skin

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
C43.0Malignant melanoma of lipBillable
C43.1Malignant melanoma of eyelid, including canthusCategory
C43.10Malignant melanoma of unspecified eyelid, including canthusBillable
C43.11Malignant melanoma of right eyelid, including canthusCategory
C43.111Malignant melanoma of right upper eyelid, including canthusBillable
C43.112Malignant melanoma of right lower eyelid, including canthusBillable
C43.12Malignant melanoma of left eyelid, including canthusCategory
C43.121Malignant melanoma of left upper eyelid, including canthusBillable
C43.122Malignant melanoma of left lower eyelid, including canthusBillable
C43.2Malignant melanoma of ear and external auricular canalCategory
C43.20Malignant melanoma of unspecified ear and external auricular canalBillable
C43.21Malignant melanoma of right ear and external auricular canalBillable
C43.22Malignant melanoma of left ear and external auricular canalBillable
C43.3Malignant melanoma of other and unspecified parts of faceCategory
C43.30Malignant melanoma of unspecified part of faceBillable
C43.31Malignant melanoma of noseBillable
C43.39Malignant melanoma of other parts of faceBillable
C43.4Malignant melanoma of scalp and neckBillable
C43.5Malignant melanoma of trunkCategory
C43.51Malignant melanoma of anal skinBillable
C43.52Malignant melanoma of skin of breastBillable
C43.59Malignant melanoma of other part of trunkBillable
C43.6Malignant melanoma of upper limb, including shoulderCategory
C43.60Malignant melanoma of unspecified upper limb, including shoulderBillable
C43.61Malignant melanoma of right upper limb, including shoulderBillable
C43.62Malignant melanoma of left upper limb, including shoulderBillable
C43.7Malignant melanoma of lower limb, including hipCategory
C43.70Malignant melanoma of unspecified lower limb, including hipBillable
C43.71Malignant melanoma of right lower limb, including hipBillable
C43.72Malignant melanoma of left lower limb, including hipBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.