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

ICD-10-CM 2027 diagnosis code · Benign neoplasms, except benign neuroendocrine tumors

Non-billable header

ICD-10-CM code D33
Code
D33 (claims format: D33)
Description
Benign neoplasm of brain and other parts of central nervous system
Short description
Benign neoplasm of brain and oth prt central nervous system
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
D10-D36 Benign neoplasms, except benign neuroendocrine tumors

Billable codes under D33

D33 is a header code and cannot be used on claims. Choose the most specific code:

Notes 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-)

Frequently asked questions

What is ICD-10 code D33?

D33 is the ICD-10-CM code for benign neoplasm of brain and other parts of central nervous system, in the block D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).

Is D33 a billable code?

No. D33 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.