Is D35.5 a billable ICD-10-CM code?

Yes. D35.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D35.5 sit in the tabular list?

Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).

What cannot be coded together with D35.5?

D35.5 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 D35.5 (D35) and apply to it just the same.

D35.5

D35.5 — Benign neoplasm of carotid body

Billable / specific codeICD-10-CM

D35.5 is a billable, specific ICD-10-CM code for benign neoplasm of carotid body. It is valid for submission on a claim.

Excludes1 inherited from the categories above D35.5

These are not written on D35.5, but they bind it: a note on a category applies to every code beneath it. Billing D35.5 with anything listed here is a denial.

Written on D35 — Benign neoplasm of other and unspecified endocrine glands

benign neoplasm of endocrine pancreas (D13.7)
benign neoplasm of ovary (D27.-)
benign neoplasm of testis (D29.2.-)
benign neoplasm of thymus (D15.0)

Risk adjustment

D35.5 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

D35.5 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56464Billing and Coding: Flow Cytometry
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56695Billing and Coding: Implantable Infusion Pump
A56747Billing and Coding: Magnetic Resonance Angiography (MRA)

Code history

D35.5 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 D35. If D35.5 is not quite right, the correct code is usually one of these.

Questions about D35.5

Is D35.5 a billable ICD-10-CM code?: Yes. D35.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D35.5 sit in the tabular list?: Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).
What cannot be coded together with D35.5?: D35.5 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 D35.5 (D35) and apply to it just the same.