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ICD-10 Guide
ICD-10 CodesD02.0

D02.0

Billable

Carcinoma in situ of larynx

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

Code Description

ICD-10 D02.0 is a billable code used to indicate a diagnosis of carcinoma in situ of larynx.

Key Diagnostic Point:

Carcinoma in situ of the larynx is a localized form of cancer characterized by the presence of abnormal cells that have not invaded surrounding tissues. This condition is often detected during routine examinations or imaging studies, and it is crucial to differentiate it from invasive laryngeal cancers. The larynx, or voice box, plays a vital role in breathing, producing sound, and protecting the trachea against food aspiration. Carcinoma in situ may present with symptoms such as hoarseness, difficulty swallowing, or a persistent cough, although many patients may be asymptomatic. Surveillance protocols typically involve regular laryngoscopic examinations and biopsies to monitor for any signs of progression to invasive cancer. The risk of progression to invasive carcinoma varies, with some studies suggesting that untreated carcinoma in situ can progress in approximately 10-30% of cases. Early detection and intervention are critical to improving patient outcomes and preventing the development of more advanced disease.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from invasive laryngeal cancers
  • Need for precise documentation of biopsy results
  • Variability in clinical presentation
  • Potential for progression to invasive disease

Audit Risk Factors

  • Inadequate documentation of biopsy results
  • Failure to document surveillance protocols
  • Misclassification of invasive versus non-invasive lesions
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed laryngoscopic findings, biopsy results, and treatment plans.

Common Clinical Scenarios

Patients presenting with hoarseness, throat pain, or abnormal findings on imaging.

Billing Considerations

Ensure clear documentation of the site and extent of the carcinoma in situ.

Oncology

Documentation Requirements

Comprehensive treatment history, including any surgical interventions or radiation therapy.

Common Clinical Scenarios

Patients undergoing surveillance after diagnosis of carcinoma in situ.

Billing Considerations

Document any changes in the patient's condition or treatment response.

Coding Guidelines

Inclusion Criteria

Use D02.0 When
  • According to the official ICD
  • 10 coding guidelines, D02
  • 0 should be used when the diagnosis of carcinoma in situ is confirmed through biopsy
  • It is essential to document the specific site of the carcinoma and any relevant clinical findings

Exclusion Criteria

Do NOT use D02.0 When
  • Exclusion criteria include any evidence of invasive carcinoma

Related ICD-10 Codes

Related CPT Codes

31575CPT Code

Laryngoscopy, flexible, diagnostic

Clinical Scenario

Used for initial diagnosis and surveillance of carcinoma in situ.

Documentation Requirements

Document findings from the laryngoscopy and any biopsies performed.

Specialty Considerations

Otolaryngologists should ensure thorough documentation of the procedure and findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of carcinoma in situ, improving the accuracy of data collection and enhancing the ability to track patient outcomes. This specificity aids in better understanding the epidemiology of laryngeal cancers and informs treatment protocols.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of carcinoma in situ, improving the accuracy of data collection and enhancing the ability to track patient outcomes. This specificity aids in better understanding the epidemiology of laryngeal cancers and informs treatment protocols.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of carcinoma in situ, improving the accuracy of data collection and enhancing the ability to track patient outcomes. This specificity aids in better understanding the epidemiology of laryngeal cancers and informs treatment protocols.

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

What is the significance of carcinoma in situ of the larynx?

Carcinoma in situ is a critical diagnosis as it indicates the presence of abnormal cells that have not invaded surrounding tissues. Early detection and treatment can prevent progression to invasive cancer, which has more severe implications for patient health.