ICD10BillableValid for clinical use
ICD-10 Code D33.0: Benign neoplasm of brain, supratentorial
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, supratentorial 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
Official coding notes
Inclusion terms
- 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
Excludes1 (do not code together)
- benign neoplasm of fourth ventricle (D33.1)
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
D33.1Benign neoplasm of brain, infratentorialcodeD33.2Benign neoplasm of brain, unspecifiedcodeD33.3Benign 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
D33.1Benign neoplasm of brain, infratentorialbillableD33.2Benign neoplasm of brain, unspecifiedbillableD33.3Benign 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 81225high
CYP2C19 (CYTOCHROME P450, FAMILY 2, SUBFAMILY C, POLYPEPTIDE 19) (EG, DRUG METABOLISM), GENE ANALYSIS, COMMON VARIANTS (EG, *2, *3, *4, *8, *17)
Source: CMS coverage guidance
CPT 81418high
DRUG METABOLISM (EG, PHARMACOGENOMICS) GENOMIC SEQUENCE ANALYSIS PANEL, MUST INCLUDE TESTING OF AT LEAST 6 GENES, INCLUDING CYP2C19, CYP2D6, AND CYP2D6 DUPLICATION/DELETION ANALYSIS
Source: CMS coverage guidance
CPT 0349Uhigh
DRUG METABOLISM OR PROCESSING (MULTIPLE CONDITIONS), WHOLE BLOOD OR BUCCAL SPECIMEN, DNA ANALYSIS, 27 GENE REPORT, WITH VARIANT ANALYSIS, INCLUDING REPORTED PHENOTYPES AND IMPACTED GENE-DRUG INTERACTIONS
Source: CMS coverage guidance
CPT 70545high
MAGNETIC RESONANCE ANGIOGRAPHY, HEAD; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70544high
MAGNETIC RESONANCE ANGIOGRAPHY, HEAD; WITHOUT CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70546high
MAGNETIC RESONANCE ANGIOGRAPHY, HEAD; WITHOUT CONTRAST MATERIAL(S), FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SEQUENCES
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 189162003high
Benign neoplasm of brain, supratentorial
Source: SNOMED International ICD-10 map
SNOMED_CT 275269004high
Benign neoplasm of cerebrum
Source: SNOMED International ICD-10 map
SNOMED_CT 92114009high
Benign neoplasm of frontal lobe
Source: SNOMED International ICD-10 map
SNOMED_CT 92253009high
Benign neoplasm of occipital lobe
Source: SNOMED International ICD-10 map
SNOMED_CT 92276007high
Benign neoplasm of parietal lobe
Source: SNOMED International ICD-10 map
SNOMED_CT 92427003high
Benign neoplasm of temporal lobe
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
D33.0
Common synonyms
Benign neoplasm of brain, supratentorial
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.