ICD10BillableValid for clinical use
ICD-10 Code D33.2: Benign neoplasm of brain, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents benign neoplasm of brain, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
2Neoplasms (C00-D49)
block
D10-D36Benign neoplasms, except benign neuroendocrine tumors
category
D33Benign neoplasm of brain and other parts of central nervous system
currentD33
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
OncologistGeneral PhysicianNeurologist
Related codes
D33.0Benign neoplasm of brain, supratentorialcodeD33.1Benign neoplasm of brain, infratentorialcodeD33.3Benign neoplasm of cranial nervescodeD33.4Benign neoplasm of spinal cordcodeD33.7Benign neoplasm of other specified parts of central nervous systemcodeD33.9Benign neoplasm of central nervous system, unspecifiedcode
Sibling codes
D33.0Benign neoplasm of brain, supratentorialbillableD33.1Benign neoplasm of brain, infratentorialbillableD33.3Benign neoplasm of cranial nervesbillableD33.4Benign neoplasm of spinal cordbillableD33.7Benign neoplasm of other specified parts of central nervous systembillableD33.9Benign neoplasm of central nervous system, unspecifiedbillable
Coverage-related procedures and services
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 70470high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
CPT 95940high
CONTINUOUS INTRAOPERATIVE NEUROPHYSIOLOGY MONITORING IN THE OPERATING ROOM, ONE ON ONE MONITORING REQUIRING PERSONAL ATTENDANCE, EACH 15 MINUTES (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
HCPCS G0453high
CONTINUOUS INTRAOPERATIVE NEUROPHYSIOLOGY MONITORING, FROM OUTSIDE THE OPERATING ROOM (REMOTE OR NEARBY), PER PATIENT, (ATTENTION DIRECTED EXCLUSIVELY TO ONE PATIENT) EACH 15 MINUTES (LIST IN ADDITION TO PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 61800high
APPLICATION OF STEREOTACTIC HEADFRAME FOR STEREOTACTIC RADIOSURGERY (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 87161000119107high
Benign ependymoma of brain
Source: SNOMED International ICD-10 map
SNOMED_CT 92030004high
Benign neoplasm of brain
Source: SNOMED International ICD-10 map
SNOMED_CT 254943007high
Benign neoplasm of choroid plexus
Source: SNOMED International ICD-10 map
SNOMED_CT 255200003high
Benign neoplasm of hypothalamus
Source: SNOMED International ICD-10 map
SNOMED_CT 135884009high
Benign neoplasm of pons
Source: SNOMED International ICD-10 map
SNOMED_CT 447655002high
Benign neoplastic cyst of brain
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
D33.2
Common synonyms
Benign neoplasm of brain, unspecifiedBenign neoplasm of brain
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.