Skip to content

Neoplasm Table

brain NEC

SiteMalignant primaryMalignant secondaryCa in situBenignUncertain behaviorUnspecified behavior
brain NECC71.9C79.31—D33.2D43.2D49.6
basal gangliaC71.0C79.31—D33.0D43.0D49.6
cerebellopontine angleC71.6C79.31—D33.1D43.1D49.6
cerebellum NOSC71.6C79.31—D33.1D43.1D49.6
cerebrumC71.0C79.31—D33.0D43.0D49.6
choroid plexusC71.7C79.31—D33.1D43.1D49.6
corpus callosumC71.8C79.31—D33.2D43.2D49.6
corpus striatumC71.0C79.31—D33.0D43.0D49.6
cortex (cerebral)C71.0C79.31—D33.0D43.0D49.6
frontal lobeC71.1C79.31—D33.0D43.0D49.6
globus pallidusC71.0C79.31—D33.0D43.0D49.6
hippocampusC71.2C79.31—D33.0D43.0D49.6
hypothalamusC71.0C79.31—D33.0D43.0D49.6
internal capsuleC71.0C79.31—D33.0D43.0D49.6
medulla oblongataC71.7C79.31—D33.1D43.1D49.6
meningesC70.0C79.32—D32.0D42.0D49.7
midbrainC71.7C79.31—D33.1D43.1D49.6
occipital lobeC71.4C79.31—D33.0D43.0D49.6
overlapping lesionC71.8C79.31————
parietal lobeC71.3C79.31—D33.0D43.0D49.6
peduncleC71.7C79.31—D33.1D43.1D49.6
ponsC71.7C79.31—D33.1D43.1D49.6
stemC71.7C79.31—D33.1D43.1D49.6
tapetumC71.8C79.31—D33.2D43.2D49.6
temporal lobeC71.2C79.31—D33.0D43.0D49.6
thalamusC71.0C79.31—D33.0D43.0D49.6
uncusC71.2C79.31—D33.0D43.0D49.6
ventricle (floor)C71.5C79.31—D33.0D43.0D49.6
fourthC71.7C79.31—D33.1D43.1D49.6
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What are the ICD-10-CM neoplasm codes for brain NEC?

Per the ICD-10-CM Neoplasm Table: malignant primary C71.9; malignant secondary C79.31; benign D33.2; uncertain behavior D43.2; unspecified behavior D49.6. Always confirm the code, and add the required 7th character where applicable, in the Tabular List.

ICD-10-CM Neoplasm Table maintained by CDC/NCHS (public domain), from the CMS FY2027 release.