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

    Excludes1

    • 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-)
    1. D33.0 Benign neoplasm of brain, supratentorial

      Inclusion term(s):

      • 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
    2. D33.1 Benign neoplasm of brain, infratentorial

      Inclusion term(s):

      • Benign neoplasm of brain stem
      • Benign neoplasm of cerebellum
      • Benign neoplasm of fourth ventricle
    3. D33.2 Benign neoplasm of brain, unspecified

    4. D33.3 Benign neoplasm of cranial nerves

      Inclusion term(s):

      • Benign neoplasm of olfactory bulb
    5. D33.4 Benign neoplasm of spinal cord

    6. D33.7 Benign neoplasm of other specified parts of central nervous system

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

      Inclusion term(s):

      • Benign neoplasm of nervous system (central) NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.