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v1.0.0
ICD-10 Guide
ICD-10 CodesC32.9

C32.9

Billable

Malignant neoplasm of larynx, unspecified

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

Code Description

ICD-10 C32.9 is a billable code used to indicate a diagnosis of malignant neoplasm of larynx, unspecified.

Key Diagnostic Point:

C32.9 refers to a malignant neoplasm of the larynx that is unspecified, indicating that the specific type of laryngeal cancer has not been detailed. Laryngeal cancer primarily arises from the squamous cells lining the larynx and can manifest in various forms, including glottic, supraglottic, and subglottic cancers. Symptoms often include hoarseness, difficulty swallowing, and persistent cough. Diagnosis typically involves laryngoscopy and biopsy, with imaging studies such as CT or MRI used for staging. Treatment options may include surgery, radiation therapy, and chemotherapy, with a focus on voice preservation being critical for many patients. The staging of laryngeal cancer is crucial for determining prognosis and treatment strategies, classified using the TNM system, which assesses tumor size, lymph node involvement, and metastasis. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in laryngeal cancer types and stages
  • Need for precise documentation of tumor location and characteristics
  • Differentiation from benign laryngeal conditions
  • Potential for overlapping symptoms with other respiratory conditions

Audit Risk Factors

  • Insufficient documentation of tumor specifics
  • Inconsistent staging information
  • Lack of clarity on treatment intent (curative vs. palliative)
  • Misclassification of the neoplasm type

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed descriptions of tumor location, size, and histology; imaging results; treatment plans.

Common Clinical Scenarios

Diagnosis and management of laryngeal cancer, voice restoration procedures, and post-operative care.

Billing Considerations

Ensure thorough documentation of voice preservation techniques and outcomes.

Oncology

Documentation Requirements

Comprehensive treatment plans, staging details, and follow-up care documentation.

Common Clinical Scenarios

Chemotherapy and radiation therapy management for laryngeal cancer patients.

Billing Considerations

Document the rationale for treatment choices and any multidisciplinary approaches.

Coding Guidelines

Inclusion Criteria

Use C32.9 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the specific type of laryngeal cancer is not documented
  • Include additional codes for any associated conditions or complications

Exclusion Criteria

Do NOT use C32.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

31575CPT Code

Laryngoscopy, flexible, diagnostic

Clinical Scenario

Used to evaluate laryngeal cancer symptoms.

Documentation Requirements

Document findings and any biopsies performed.

Specialty Considerations

Otolaryngologists should ensure thorough documentation of the laryngeal examination.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of laryngeal cancers, but the use of C32.9 can lead to challenges in treatment planning and reimbursement if not supported by adequate documentation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of laryngeal cancers, but the use of C32.9 can lead to challenges in treatment planning and reimbursement if not supported by adequate documentation.

Reimbursement & Billing Impact

reimbursement if not supported by adequate documentation.

Resources

Clinical References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Coding & Billing References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Frequently Asked Questions

When should I use C32.9 instead of a more specific code?

C32.9 should be used when the specific type of laryngeal cancer is not documented in the medical record. Always strive for specificity when available.