C43.12 Malignant melanoma of left eyelid, including canthus

Non-billable header with 2 child codes.

Applies from C43 Malignant melanoma of skin

Excludes1 (never code together)

• 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

Codes under C43.12

• C43.121 Malignant melanoma of left upper eyelid, including canthus
• C43.122 Malignant melanoma of left lower eyelid, including canthus

Approximate ICD-9-CM (GEMs)

• 172.1 Malignant melanoma of skin of eyelid, including canthus (approximate)

Code annotations containing back-references to C43.12

Back-references to C43.1

• Type 1 Excludes: C69 Malignant neoplasm of eye and adnexa ("malignant neoplasm of eyelid (skin) (C43.1-, C44.1-)")

Back-references to C43

• Type 1 Excludes: C44 Other and unspecified malignant neoplasm of skin ("malignant melanoma of skin (C43.-)")

Nearby codes

• 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 (this code)
• 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
• C43.20 Malignant melanoma of unspecified ear and external auricular canal
• C43.21 Malignant melanoma of right ear and external auricular canal