D33.9
D33.9 — Benign neoplasm of central nervous system, unspecified
Billable / specific codeICD-10-CM
D33.9 is a billable, specific ICD-10-CM code for benign neoplasm of central nervous system, 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 nervous system (central) NOS
Risk adjustment
D33.9 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
D33.9 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56695Billing and Coding: Implantable Infusion Pump
- A56722Billing and Coding: Intraoperative Neurophysiological Testing
- A56827Billing and Coding: Proton Beam Therapy
- A57041Billing and Coding: Somatosensory Testing
Related codes at this level
Codes that share D33. If D33.9 is not quite right, the correct code is usually one of these.
Questions about D33.9
- Is D33.9 a billable ICD-10-CM code?
- Yes. D33.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D33.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).