Is D04.112 a billable ICD-10-CM code?

Yes. D04.112 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D04.112 sit in the tabular list?

Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).

What cannot be coded together with D04.112?

D04.112 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above D04.112 (D04) and apply to it just the same.

D04.112

D04.112 — Carcinoma in situ of skin of right lower eyelid, including canthus

Billable / specific codeICD-10-CMright

D04.112 is a billable, specific ICD-10-CM code for carcinoma in situ of skin of right lower eyelid, including canthus. It is valid for submission on a claim.

Excludes1 inherited from the categories above D04.112

These are not written on D04.112, but they bind it: a note on a category applies to every code beneath it. Billing D04.112 with anything listed here is a denial.

Written on D04 — Carcinoma in situ of skin

erythroplasia of Queyrat (penis) NOS (D07.4)
melanoma in situ (D03.-)

Risk adjustment

D04.112 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

D04.112 is named in 44 Medicare coverage policies — 44 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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A53883Billing and Coding: Mohs Micrographic Surgery (MMS)
A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions

Code history

D04.112 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share D04.11. If D04.112 is not quite right, the correct code is usually one of these.

D04.111Carcinoma in situ of skin of right upper eyelid, including canthus

Questions about D04.112

Is D04.112 a billable ICD-10-CM code?: Yes. D04.112 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D04.112 sit in the tabular list?: Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).
What cannot be coded together with D04.112?: D04.112 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above D04.112 (D04) and apply to it just the same.