D33.9

ICD-10Billable

Benign neoplasm of central nervous system, unspecified

Official ICD-10-CM descriptor (FY2026)

Benign neoplasm of central nervous system, unspecified

D33.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Benign neoplasm of nervous system (central) NOS

Related codes in D33

Where this code sits

Chapter: 2. Neoplasms (C00-D49)
Block: Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
Parent code: D33

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Source

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.