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ICD-10 Guide
ICD-10 CodesD04.39

D04.39

Billable

Carcinoma in situ of skin of other parts of face

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

Code Description

ICD-10 D04.39 is a billable code used to indicate a diagnosis of carcinoma in situ of skin of other parts of face.

Key Diagnostic Point:

Carcinoma in situ of the skin of other parts of the face refers to a localized, non-invasive form of skin cancer that is confined to the epidermis and has not invaded deeper tissues. This condition is characterized by abnormal growth of skin cells, which can appear as scaly patches, raised lesions, or discoloration. It is crucial to differentiate this condition from invasive skin cancers, as the prognosis is significantly better when detected early. Surveillance protocols typically involve regular skin examinations by a dermatologist, particularly for patients with risk factors such as a history of sun exposure, fair skin, or previous skin cancers. The risk of progression to invasive carcinoma is present, especially if left untreated, making early detection and intervention vital. Treatment options may include surgical excision, cryotherapy, or topical chemotherapy, depending on the lesion's characteristics and patient factors. Continuous monitoring is essential to prevent recurrence and manage any new lesions effectively.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other skin lesions
  • Need for precise documentation of lesion location
  • Potential for multiple lesions requiring coding
  • Variability in treatment protocols

Audit Risk Factors

  • Inadequate documentation of lesion characteristics
  • Failure to specify the exact location of the carcinoma
  • Misclassification of invasive versus non-invasive lesions
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of the lesion, including size, location, and histological findings.

Common Clinical Scenarios

Patients presenting with suspicious skin lesions for biopsy or excision.

Billing Considerations

Ensure accurate coding based on biopsy results and follow-up care.

Oncology

Documentation Requirements

Comprehensive treatment plans and follow-up notes to monitor for recurrence.

Common Clinical Scenarios

Management of patients with a history of skin cancer undergoing surveillance.

Billing Considerations

Coordination with dermatology for accurate coding of lesions.

Coding Guidelines

Inclusion Criteria

Use D04.39 When
  • According to the ICD
  • CM coding guidelines, D04
  • 39 should be used when the carcinoma is confirmed as in situ and located on other parts of the face
  • It is important to document the specific site and characteristics of the lesion to ensure accurate coding

Exclusion Criteria

Do NOT use D04.39 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11600CPT Code

Excision, malignant skin lesion, face, ears, scalp

Clinical Scenario

Used when excising a carcinoma in situ lesion on the face.

Documentation Requirements

Pathology report confirming carcinoma in situ and details of the excised lesion.

Specialty Considerations

Dermatologists should ensure accurate coding based on the excised margins.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of skin conditions, including carcinoma in situ, improving the accuracy of patient records and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of skin conditions, including carcinoma in situ, improving the accuracy of patient records and treatment plans.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of skin conditions, including carcinoma in situ, improving the accuracy of patient records and treatment plans.

Resources

Clinical References

  • •
    American Academy of Dermatology

Coding & Billing References

  • •
    American Academy of Dermatology

Frequently Asked Questions

What is the significance of coding D04.39 accurately?

Accurate coding of D04.39 is essential for proper treatment planning, insurance reimbursement, and tracking patient outcomes. It ensures that patients receive appropriate follow-up care and interventions.