D33
⚠ Non-billable
Benign neoplasm of brain and other parts of central nervous system
ICD-10-CM · FY2026 · Neoplasms
Code
D33
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D33?
ICD-10-CM code D33 represents Benign neoplasm of brain and other parts of central nervous system. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D33 billable?
No. D33 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D33 in?
D33 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D33 category
D33.0
Benign neoplasm of brain, supratentorial
Billable
D33.1
Benign neoplasm of brain, infratentorial
Billable
D33.2
Benign neoplasm of brain, unspecified
Billable
D33.3
Benign neoplasm of cranial nerves
Billable
D33.4
Benign neoplasm of spinal cord
Billable
D33.7
Benign neoplasm of other specified parts of central nervous system
Billable
D33.9
Benign neoplasm of central nervous system, unspecified
Billable
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