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ICD-10 Guide
ICD-10 CodesD33.2

D33.2

Billable

Benign neoplasm of brain, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 D33.2 is a billable code used to indicate a diagnosis of benign neoplasm of brain, unspecified.

Key Diagnostic Point:

Benign neoplasms of the brain are non-cancerous tumors that arise from the brain tissue or its surrounding structures. These tumors can vary in size and location, and while they are not malignant, they can still cause significant health issues due to their potential to exert pressure on surrounding brain structures. Symptoms may include headaches, seizures, cognitive changes, and neurological deficits, depending on the tumor's location. Common types of benign brain tumors include meningiomas, acoustic neuromas, and pituitary adenomas. Diagnosis typically involves imaging studies such as MRI or CT scans, and treatment options may include observation, surgical resection, or radiation therapy, depending on the tumor's characteristics and the patient's overall health. Surveillance protocols often involve regular imaging and clinical evaluations to monitor for any changes in the tumor's size or symptoms.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in symptoms and presentation of benign brain tumors.
  • Need for precise documentation of tumor location and characteristics.
  • Differentiation from malignant neoplasms and other brain conditions.
  • Potential for co-existing conditions that may complicate coding.

Audit Risk Factors

  • Inadequate documentation of tumor characteristics.
  • Failure to specify the location of the neoplasm.
  • Misuse of unspecified codes leading to potential denials.
  • Inconsistent follow-up documentation.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological assessments, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with headaches, seizures, or neurological deficits requiring imaging.

Billing Considerations

Ensure clear documentation of symptoms and imaging findings to support the diagnosis.

Neurosurgery

Documentation Requirements

Surgical reports, pre-operative assessments, and post-operative follow-up notes.

Common Clinical Scenarios

Surgical intervention for symptomatic benign brain tumors.

Billing Considerations

Document the surgical approach and any complications to support coding.

Coding Guidelines

Inclusion Criteria

Use D33.2 When
  • According to ICD
  • 10 coding guidelines, D33
  • 2 should be used when the specific type of benign neoplasm of the brain is not documented
  • Coders should ensure that the diagnosis is supported by clinical documentation and imaging studies

Exclusion Criteria

Do NOT use D33.2 When
  • Exclusion criteria include malignant neoplasms and other specified conditions

Related ICD-10 Codes

Related CPT Codes

61548CPT Code

Craniotomy for excision of brain tumor

Clinical Scenario

Used when a patient with a benign brain tumor requires surgical intervention.

Documentation Requirements

Surgical reports detailing the procedure and findings.

Specialty Considerations

Neurosurgeons must document the tumor's characteristics and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of benign neoplasms, improving the accuracy of data collection and reimbursement processes. D33.2 serves as a catch-all for unspecified benign brain tumors, but coders are encouraged to seek more specific codes when available.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of benign neoplasms, improving the accuracy of data collection and reimbursement processes. D33.2 serves as a catch-all for unspecified benign brain tumors, but coders are encouraged to seek more specific codes when available.

Reimbursement & Billing Impact

reimbursement processes. D33.2 serves as a catch-all for unspecified benign brain tumors, but coders are encouraged to seek more specific codes when available.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What should I document to support the use of D33.2?

Document the patient's symptoms, imaging findings, and any treatment plans. Ensure that the diagnosis is clearly linked to the clinical scenario.