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D3A.091

D3A.091Benign carcinoid tumor of the thymus

Billable / specific codeICD-10-CM

D3A.091 is a billable, specific ICD-10-CM code for benign carcinoid tumor of the thymus. It is valid for submission on a claim.

Other codes that can never be billed with D3A.091

These codes carry an Excludes1 note pointing at D3A.091. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D3A.091 alone.

  • D15.0Benign neoplasm of thymus

Risk adjustment

D3A.091 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 22 Bladder, Colorectal, and Other Cancers0.363 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

D3A.091 is named in 8 Medicare coverage policies 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52986Billing and Coding: Biomarkers for Oncology
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56612Billing and Coding: CT of the Head

How D3A.091 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 D3A.091.

  • Tumorcarcinoidbenignthymus

Related codes at this level

Codes that share D3A.09. If D3A.091 is not quite right, the correct code is usually one of these.

Questions about D3A.091

Is D3A.091 a billable ICD-10-CM code?
Yes. D3A.091 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D3A.091 sit in the tabular list?
Neoplasms (C00-D49), in the block Benign neuroendocrine tumors (D3A).
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.