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ICD-10 Coding for Vestibular Schwannoma(D33.3)

Complete ICD-10-CM coding and documentation guide for Vestibular Schwannoma. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Acoustic NeuromaAcoustic SchwannomaCerebellopontine Angle Tumor

Related ICD-10 Code Ranges

Complete code families applicable to Vestibular Schwannoma

D33-D33.9Primary Range

Benign neoplasms of brain and other parts of central nervous system

This range includes benign neoplasms of cranial nerves, specifically vestibular schwannoma.

Conductive and sensorineural hearing loss

These codes are used as ancillary codes to document hearing loss associated with vestibular schwannoma.

Key Information: ICD-10 code for vestibular schwannoma

Essential facts and insights about Vestibular Schwannoma

The ICD-10 code for vestibular schwannoma is D33.3, used for benign neoplasms of cranial nerves.

Primary ICD-10-CM Code for vestibular schwannoma

Benign neoplasm of cranial nerves
Billable Code

Decision Criteria

clinical Criteria

  • MRI shows a mass consistent with vestibular schwannoma

documentation Criteria

  • Audiometric tests confirm hearing loss

Applicable To

  • Vestibular schwannoma
  • Acoustic neuroma

Excludes

  • Malignant neoplasm of cranial nerves (C72.4)

Clinical Validation Requirements

  • MRI confirmation of vestibular schwannoma
  • Audiometric evidence of hearing loss

Code-Specific Risks

  • Incorrectly coding as malignant neoplasm
  • Lack of MRI confirmation

Coding Notes

  • Ensure MRI findings are documented to support this code.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Sensorineural hearing loss, bilateral

H90.3
Use to document hearing loss associated with vestibular schwannoma.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Malignant neoplasm of acoustic nerve

C72.4
Use if biopsy confirms malignancy.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Vestibular Schwannoma to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D33.3.

Impact

Clinical: Misdiagnosis risk, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Always attach MRI reports to patient records, Verify documentation completeness before coding

Impact

Reimbursement: Claims may be denied or underpaid., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data reporting.

Mitigation Strategy

Ensure documentation specifies the surgical approach and resection details.

Impact

High risk of claim denial if approach and resection codes are not paired.

Mitigation Strategy

Always verify code pairing before submission.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Vestibular Schwannoma, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Vestibular Schwannoma

Use these documentation templates to ensure complete and accurate documentation for Vestibular Schwannoma. These templates include all required elements for proper coding and billing.

Surgical resection of vestibular schwannoma

Specialty: Neurosurgery

Required Elements

  • Pre-operative diagnosis
  • Surgical approach
  • Tumor size and location
  • Post-operative findings

Example Documentation

Pre-op Diagnosis: Right vestibular schwannoma (D33.3) Procedure: Retrosigmoid craniotomy and tumor resection Findings: Tumor origin from superior vestibular nerve, facial nerve preserved

Examples: Poor vs. Good Documentation

Poor Documentation Example
Removed tumor via craniotomy.
Good Documentation Example
Retrosigmoid craniotomy performed with gross total resection of 2.8 cm vestibular schwannoma.
Explanation
The good example specifies the surgical approach and tumor details, which are critical for accurate coding.

Need help with ICD-10 coding for Vestibular Schwannoma? Ask your questions below.

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