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ICD-10 Guide
ICD-10 CodesD06.9

D06.9

Billable

Carcinoma in situ of cervix, unspecified

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

Code Description

ICD-10 D06.9 is a billable code used to indicate a diagnosis of carcinoma in situ of cervix, unspecified.

Key Diagnostic Point:

Carcinoma in situ of the cervix refers to a localized form of cervical cancer where abnormal cells are found in the lining of the cervix but have not invaded deeper tissues or spread to other parts of the body. This condition is often detected through routine Pap smears or HPV testing. The term 'unspecified' indicates that the specific type of carcinoma in situ has not been determined, which can occur in cases where further histological examination is needed. Carcinoma in situ is considered a pre-cancerous condition, and while it is not life-threatening, it requires careful monitoring and management to prevent progression to invasive cervical cancer. Treatment options may include surgical procedures such as conization or loop electrosurgical excision procedure (LEEP), depending on the extent of the lesion and patient factors. Regular follow-up and surveillance are critical to ensure that any changes in the cervical tissue are promptly addressed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of histological findings
  • Need for precise coding based on biopsy results
  • Differentiation from other cervical conditions
  • Potential for progression to invasive cancer requiring careful monitoring

Audit Risk Factors

  • Inadequate documentation of biopsy results
  • Failure to document follow-up care and surveillance
  • Misclassification of carcinoma in situ as invasive cancer
  • Inconsistent coding practices among providers

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed pathology reports, treatment plans, and follow-up notes are essential for accurate coding.

Common Clinical Scenarios

Routine screening results indicating abnormal Pap smears leading to further diagnostic procedures.

Billing Considerations

Ensure that all findings from biopsies are clearly documented to support the diagnosis.

Oncology

Documentation Requirements

Comprehensive treatment records, including surgical notes and follow-up care.

Common Clinical Scenarios

Management of patients with diagnosed carcinoma in situ and planning for potential surgical interventions.

Billing Considerations

Documentation should reflect the multidisciplinary approach to treatment and surveillance.

Coding Guidelines

Inclusion Criteria

Use D06.9 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include any relevant history of HPV or previous abnormal Pap results

Exclusion Criteria

Do NOT use D06.9 When
  • Exclude codes for invasive cervical cancer unless confirmed

Related ICD-10 Codes

Related CPT Codes

57522CPT Code

Loop electrosurgical excision procedure (LEEP)

Clinical Scenario

Used for treatment of diagnosed carcinoma in situ.

Documentation Requirements

Pathology report confirming diagnosis and treatment rationale.

Specialty Considerations

Ensure that the procedure is linked to the diagnosis of carcinoma in situ.

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 ability to track and manage cases. D06.9 provides a clear designation for unspecified cases, which aids in data collection and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of carcinoma in situ, improving the ability to track and manage cases. D06.9 provides a clear designation for unspecified cases, which aids in data collection and research.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of carcinoma in situ, improving the ability to track and manage cases. D06.9 provides a clear designation for unspecified cases, which aids in data collection and research.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)
  • •
    Centers for Disease Control and Prevention (CDC) - HPV and Cancer

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)
  • •
    Centers for Disease Control and Prevention (CDC) - HPV and Cancer

Frequently Asked Questions

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

Carcinoma in situ is a pre-cancerous condition that requires monitoring and potential treatment to prevent progression to invasive cervical cancer.

How often should patients with carcinoma in situ be screened?

Patients should follow a surveillance protocol as recommended by their healthcare provider, typically involving Pap tests and HPV testing every 6 to 12 months.