C43.12

Non-billable

Malignant melanoma of left eyelid, including canthus

C43.12 is the ICD-10-CM code for Malignant melanoma of left eyelid, including canthus. It is a non-billable category code — use a more specific child code such as C43.121 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C43.1
Subcodes
2
Edition
FY2026

C00-D49 Neoplasms

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code C43.12?
C43.12 is the ICD-10-CM code for "Malignant melanoma of left eyelid, including canthus". It falls under C00-D49 Neoplasms.
Is C43.12 a billable code?
No — C43.12 is a non-billable header code. Use a more specific child code (such as C43.121) for billing.
What are the subcodes of C43.12?
C43.12 has 2 more specific child codes, including C43.121, C43.122.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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