D33 Benign neoplasm of brain and other parts of central nervous system

Category / Non-billable header 7 subcodes

Block: Benign neoplasms, except benign neuroendocrine tumors (D10-D36)

Excludes 1 (cannot be coded together)

  • 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-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
D33..0 Benign neoplasm of brain, supratentorial Yes
D33..1 Benign neoplasm of brain, infratentorial Yes
D33..2 Benign neoplasm of brain, unspecified Yes
D33..3 Benign neoplasm of cranial nerves Yes
D33..4 Benign neoplasm of spinal cord Yes
D33..7 Benign neoplasm of other specified parts of central nervous system Yes
D33..9 Benign neoplasm of central nervous system, unspecified Yes

Last reviewed: September 2026