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D33.2

D33.2Benign neoplasm of brain, unspecified

Billable / specific codeICD-10-CM

D33.2 is a billable, specific ICD-10-CM code for benign neoplasm of brain, unspecified. It is valid for submission on a claim.

Risk adjustment

D33.2 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

D33.2 is named in 15 Medicare coverage policies 15 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56612Billing and Coding: CT of the Head
  • A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography

How D33.2 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 D33.2.

  • Ependymomabenignunspecified site

Related codes at this level

Codes that share D33. If D33.2 is not quite right, the correct code is usually one of these.

Questions about D33.2

Is D33.2 a billable ICD-10-CM code?
Yes. D33.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D33.2 sit in the tabular list?
Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.