ICD-10-CM D33: Benign neoplasm of brain and other parts of central nervous system

ICD-10-CM Diagnosis Code (2025)

Official Description for D33

Benign neoplasm of brain and other parts of central nervous system

Coding Notes & Guidelines for D33

Excludes1: Not Coded Here
  • 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-)
Excludes1: Not Coded Here

benign neoplasm of fourth ventricle (D33.1)

Inclusion Terms
  • Benign neoplasm of cerebral ventricle
  • Benign neoplasm of cerebrum
  • Benign neoplasm of frontal lobe
  • Benign neoplasm of occipital lobe
  • Benign neoplasm of parietal lobe
  • Benign neoplasm of temporal lobe
Inclusion Terms
  • Benign neoplasm of brain stem
  • Benign neoplasm of cerebellum
  • Benign neoplasm of fourth ventricle
Inclusion Terms

Benign neoplasm of olfactory bulb

Inclusion Terms

Benign neoplasm of nervous system (central) NOS

Child Codes (More Specific Codes for D33):

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 D33.9 - Benign neoplasm of central nervous system, unspecified

About ICD-10-CM Code D33 (Benign neoplasm of brain and other parts of central nervous system)

ICD-10-CM code D33 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM D33 became effective on October 1, 2024.

This page provides detailed information about D33 - Benign neoplasm of brain and other parts of central nervous system. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Benign neoplasm of brain and other parts of central nervous system.