Is D09.3 a billable ICD-10-CM code?

Yes. D09.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D09.3 sit in the tabular list?

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

What cannot be coded together with D09.3?

D09.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

D09.3

D09.3 — Carcinoma in situ of thyroid and other endocrine glands

Billable / specific codeICD-10-CM

D09.3 is a billable, specific ICD-10-CM code for carcinoma in situ of thyroid and other endocrine glands. 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 endocrine pancreas (D01.7)
carcinoma in situ of ovary (D07.39)
carcinoma in situ of testis (D07.69)

Risk adjustment

D09.3 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

D09.3 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

Related codes at this level

Codes that share D09. If D09.3 is not quite right, the correct code is usually one of these.

Questions about D09.3

Is D09.3 a billable ICD-10-CM code?: Yes. D09.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D09.3 sit in the tabular list?: Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).
What cannot be coded together with D09.3?: D09.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.