Is D35.2 a billable ICD-10-CM code?

Yes. D35.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D35.2 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 D35.2?

D35.2 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 D35.2 (D35) and apply to it just the same.

D35.2

D35.2 — Benign neoplasm of pituitary gland

Billable / specific codeICD-10-CM

D35.2 is a billable, specific ICD-10-CM code for benign neoplasm of pituitary gland. It is valid for submission on a claim.

Excludes1 inherited from the categories above D35.2

These are not written on D35.2, but they bind it: a note on a category applies to every code beneath it. Billing D35.2 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

D35.2 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

D35.2 is named in 26 Medicare coverage policies — 26 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A55315Billing and Coding: Proton Beam Therapy
A56464Billing and Coding: Flow Cytometry
A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
A56551Billing and Coding: Visual Fields Testing

How D35.2 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D35.2.

Prolactinoma›unspecified site
Adenoma›acidophil›unspecified site
Adenoma›acidophil-basophil, mixed›unspecified site
Adenoma›basophil›unspecified site
Adenoma›basophil-acidophil, mixed›unspecified site
Adenoma›chromophobe›unspecified site
Adenoma›eosinophil›unspecified site
Adenoma›mucoid cell›unspecified site

Code history

D35.2 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 D35.2 is not quite right, the correct code is usually one of these.

Questions about D35.2

Is D35.2 a billable ICD-10-CM code?: Yes. D35.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D35.2 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 D35.2?: D35.2 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 D35.2 (D35) and apply to it just the same.