MCMCB Pro
D33.4

D33.4Benign neoplasm of spinal cord

Billable / specific codeICD-10-CM

D33.4 is a billable, specific ICD-10-CM code for benign neoplasm of spinal cord. It is valid for submission on a claim.

Risk adjustment

D33.4 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

D33.4 is named in 35 Medicare coverage policies 35 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A55315Billing and Coding: Proton Beam Therapy
  • A56396Billing and Coding: Lumbar Spinal Fusion

Related codes at this level

Codes that share D33. If D33.4 is not quite right, the correct code is usually one of these.

Questions about D33.4

Is D33.4 a billable ICD-10-CM code?
Yes. D33.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D33.4 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.