D33
ICD-10Non-billable categoryBenign neoplasm of brain and oth prt central nervous system
Official ICD-10-CM descriptor (FY2026)
Benign neoplasm of brain and other parts of central nervous system
D33 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- angioma (D18.0-)
- benign neoplasm of meninges (D32.-)
- benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)
- hemangioma (D18.0-)
- neurofibromatosis (Q85.0-)
- retro-ocular benign neoplasm (D31.6-)
More specific codes under D33
- D33.0Benign neoplasm of brain, supratentorial
- D33.1Benign neoplasm of brain, infratentorial
- D33.2Benign neoplasm of brain, unspecified
- D33.3Benign neoplasm of cranial nerves
- D33.4Benign neoplasm of spinal cord
- D33.7Benign neoplasm of oth parts of central nervous system
- D33.9Benign neoplasm of central nervous system, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.