Is D02.3 a billable ICD-10-CM code?

Yes. D02.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D02.3 sit in the tabular list?

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

What cannot be coded together with D02.3?

D02.3 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 D02.3 (D02) and apply to it just the same.

D02.3

D02.3 — Carcinoma in situ of other parts of respiratory system

Billable / specific codeICD-10-CM

D02.3 is a billable, specific ICD-10-CM code for carcinoma in situ of other parts of respiratory system. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

carcinoma in situ of ear (external) (skin) (D04.2-)
carcinoma in situ of nose NOS (D09.8)
carcinoma in situ of skin of nose (D04.3)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Carcinoma in situ of accessory sinuses
Carcinoma in situ of middle ear
Carcinoma in situ of nasal cavities

Excludes1 inherited from the categories above D02.3

These are not written on D02.3, but they bind it: a note on a category applies to every code beneath it. Billing D02.3 with anything listed here is a denial.

Written on D02 — Carcinoma in situ of middle ear and respiratory system

melanoma in situ (D03.-)

Risk adjustment

D02.3 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

D02.3 is named in 16 Medicare coverage policies — 16 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56695Billing and Coding: Implantable Infusion Pump

Code history

D02.3 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 D02. If D02.3 is not quite right, the correct code is usually one of these.

Questions about D02.3

Is D02.3 a billable ICD-10-CM code?: Yes. D02.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D02.3 sit in the tabular list?: Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).
What cannot be coded together with D02.3?: D02.3 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 D02.3 (D02) and apply to it just the same.