D04.1

Non-billable

Carcinoma in situ of skin of eyelid, including canthus

D04.1 is the ICD-10-CM code for Carcinoma in situ of skin of eyelid, including canthus. It is a non-billable category code — use a more specific child code such as D04.10 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
D04
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

Skin cancer is the most common form of cancer in the United States. The two most common types are basal cell cancer and squamous cell cancer. They usually form on the head, face, neck, hands, and arms. Another type of skin cancer, melanoma , is more dangerous but less common. Anyone can get skin cancer, but it is more common in people who : Spend a lot of time in the sun or have been sunburned Have light-colored…

Read more about Skin Cancer at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code D04.1?
D04.1 is the ICD-10-CM code for "Carcinoma in situ of skin of eyelid, including canthus". It falls under C00-D49 Neoplasms.
Is D04.1 a billable code?
No — D04.1 is a non-billable header code. Use a more specific child code (such as D04.10) for billing.
What are the subcodes of D04.1?
D04.1 has 3 more specific child codes, including D04.10, D04.11, D04.12.

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

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