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D35.9

D35.9Benign neoplasm of endocrine gland, unspecified

Billable / specific codeICD-10-CM

D35.9 is a billable, specific ICD-10-CM code for benign neoplasm of endocrine gland, unspecified. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Benign neoplasm of unspecified endocrine gland

Risk adjustment

D35.9 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

D35.9 is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57452Billing and Coding: Peripheral Nerve Blocks
  • A57452Billing and Coding: Peripheral Nerve Blocks
  • A57788Billing and Coding: Peripheral Nerve Blocks
  • A57788Billing and Coding: Peripheral Nerve Blocks

Related codes at this level

Codes that share D35. If D35.9 is not quite right, the correct code is usually one of these.

Questions about D35.9

Is D35.9 a billable ICD-10-CM code?
Yes. D35.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D35.9 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.