ICD10BillableValid for clinical use
ICD-10 Code D33.3: Benign neoplasm of cranial nerves
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 cranial nerves 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 olfactory bulb
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 Physician
Related codes
D33.0Benign neoplasm of brain, supratentorialcodeD33.1Benign neoplasm of brain, infratentorialcodeD33.2Benign neoplasm of brain, unspecifiedcodeD33.4Benign 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, infratentorialbillableD33.2Benign neoplasm of brain, unspecifiedbillableD33.4Benign 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 95907high
NERVE CONDUCTION STUDIES; 1-2 STUDIES
Source: CMS coverage guidance
CPT 95912high
NERVE CONDUCTION STUDIES; 11-12 STUDIES
Source: CMS coverage guidance
CPT 95913high
NERVE CONDUCTION STUDIES; 13 OR MORE STUDIES
Source: CMS coverage guidance
CPT 95908high
NERVE CONDUCTION STUDIES; 3-4 STUDIES
Source: CMS coverage guidance
CPT 95909high
NERVE CONDUCTION STUDIES; 5-6 STUDIES
Source: CMS coverage guidance
CPT 95910high
NERVE CONDUCTION STUDIES; 7-8 STUDIES
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 126949007high
Acoustic neuroma
Source: SNOMED International ICD-10 map
SNOMED_CT 16594881000119101high
Acoustic neuroma of left vestibular nerve
Source: SNOMED International ICD-10 map
SNOMED_CT 16594841000119106high
Acoustic neuroma of right vestibular nerve
Source: SNOMED International ICD-10 map
SNOMED_CT 91959004high
Benign neoplasm of abducens nerve
Source: SNOMED International ICD-10 map
SNOMED_CT 91960009high
Benign neoplasm of accessory nerve
Source: SNOMED International ICD-10 map
SNOMED_CT 92071005high
Benign neoplasm of cranial nerve
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
D33.3
Common synonyms
Benign neoplasm of cranial nerves
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.