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v1.0.0
ICD-10 Guide
ICD-10 CodesD06.1

D06.1

Billable

Carcinoma in situ of exocervix

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

Code Description

ICD-10 D06.1 is a billable code used to indicate a diagnosis of carcinoma in situ of exocervix.

Key Diagnostic Point:

Carcinoma in situ of the exocervix refers to a localized form of cervical cancer where abnormal cells are found on the surface of the cervix but have not invaded deeper tissues. This condition is often detected through routine Pap smears, which identify atypical squamous cells. The exocervix is the part of the cervix that protrudes into the vagina, and carcinoma in situ indicates that the cancerous changes are confined to this area. While it is not invasive, it is considered a precursor to invasive cervical cancer if left untreated. Surveillance protocols typically involve regular Pap tests and HPV testing to monitor for any changes. The risk of progression to invasive cancer varies, with factors such as the presence of high-risk HPV types, the patient's age, and the adequacy of treatment influencing outcomes. Early detection and management are crucial to prevent progression.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between carcinoma in situ and invasive carcinoma
  • Understanding the implications of HPV status
  • Navigating surveillance protocols and follow-up care
  • Interpreting pathology reports accurately

Audit Risk Factors

  • Inadequate documentation of biopsy results
  • Failure to document follow-up care plans
  • Misclassification of the lesion type
  • Inconsistent coding of HPV status

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed pathology reports, treatment plans, and follow-up care documentation.

Common Clinical Scenarios

Routine Pap smear results indicating atypical cells, biopsy results confirming carcinoma in situ.

Billing Considerations

Ensure accurate documentation of HPV status and treatment options discussed with the patient.

Oncology

Documentation Requirements

Comprehensive treatment plans, including surgical and non-surgical interventions.

Common Clinical Scenarios

Management of patients with diagnosed carcinoma in situ and planning for potential invasive treatment.

Billing Considerations

Documenting the rationale for treatment decisions and any multidisciplinary discussions.

Coding Guidelines

Inclusion Criteria

Use D06.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the diagnosis and any associated conditions
  • Include details about the patient's HPV status and any treatments planned or performed

Exclusion Criteria

Do NOT use D06.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

88141CPT Code

Cervical cytology, automated

Clinical Scenario

Used during routine screening for cervical cancer.

Documentation Requirements

Document the reason for the test and any previous results.

Specialty Considerations

Gynecologists should ensure that the patient's history of HPV is noted.

57500CPT Code

Excision of cervical lesion

Clinical Scenario

Performed when carcinoma in situ is diagnosed.

Documentation Requirements

Document the extent of the lesion and the surgical approach.

Specialty Considerations

Oncologists should document the rationale for excision versus observation.

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 treatment outcomes and disease progression.

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 treatment outcomes and disease progression.

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 treatment outcomes and disease progression.

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 exocervix?

Carcinoma in situ of the exocervix is a critical precursor to invasive cervical cancer. Early detection and treatment can prevent progression, making regular screening essential.

How often should patients with carcinoma in situ be monitored?

Patients should follow a surveillance protocol that typically includes Pap tests and HPV testing every 6 to 12 months, depending on individual risk factors and treatment history.