D33.9 BENIGN NEOPLASM OF CENTRAL NERVOUS SYSTEM, UNSPECIFIED

Code Information

  • Diagnosis Code: D33.9
  • Short Description: Benign neoplasm of central nervous system, unspecified
  • Long Description: Benign neoplasm of central nervous system, unspecified
  • Code Version: 2025 ICD-10-CM

The code D33.9 is VALID for claim submission

Code Classification

Synonyms

  • Benign ependymoma of central nervous system
  • Benign neoplasm of central nervous system
  • Benign neoplasm of nervous system
  • Extraneural perineurioma
  • Gangliocytoma of central nervous system
  • Intraneural perineurioma
  • Neoplasm of spinal nerve and sheath
  • Neoplasm of spinal nerve and sheath
  • Perineurioma
  • Perineurioma

References to Index of Diseases and Injuries

The code D33.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Benign neoplasm of nervous system (central) NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
D33.9 Right Arrow 225.9 Benign neo nerv sys NOS
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
D33 Benign neoplasm of brain and other parts of central nervous system
D33.0 Benign neoplasm of brain, supratentorial
D33.1 Benign neoplasm of brain, infratentorial
D33.2 Benign neoplasm of brain, unspecified
D33.3 Benign neoplasm of cranial nerves
D33.4 Benign neoplasm of spinal cord
D33.7 Benign neoplasm of other specified parts of central nervous system
This page was last updated on: 10/1/2025
Previous Code
Next Code