C43.0 is the authoritative medical code for Malignant melanoma of lip. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant melanoma of lip (ICD-10-CM C43.0), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Malignant melanoma of lip is a billable ICD-10-CM diagnosis code C43.0. Excludes1 (not coded here): malignant neoplasm of vermilion border of lip C00.0-C00.2; melanoma in situ D03.-. Excludes2 (not included here): 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C43.0 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- malignant neoplasm of vermilion border of lip C00.0-C00.2
- melanoma in situ D03.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with C43.0?
Per official ICD-10-CM Excludes1 instructions, C43.0 must not be reported together with: malignant neoplasm of vermilion border of lip (C00.0-C00.2); melanoma in situ (D03.-).
Can C43.0 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, C43.0 and the following are not considered part of each other and may both be reported when both conditions are present: 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.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to C43.0 in its code family, with their registry titles.
- C43 — Malignant melanoma of skin
- C43.1 — Malignant melanoma of eyelid, including canthus
- C43.111 — Malignant melanoma of right upper eyelid, including canthus
- C43.112 — Malignant melanoma of right lower eyelid, including canthus
- C43.121 — Malignant melanoma of left upper eyelid, including canthus
- C43.122 — Malignant melanoma of left lower eyelid, including canthus
- C43.2 — Malignant melanoma of ear and external auricular canal
- C43.3 — Malignant melanoma of other and unspecified parts of face
- C43.4 — Malignant melanoma of scalp and neck
- C43.5 — Malignant melanoma of trunk
View all 14 codes in the C43 family
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Melanoma (malignant), skin, lip (lower) (upper)