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ICD-10 Guide
ICD-10 CodesD03.30

D03.30

Billable

Melanoma in situ of unspecified part of face

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

Code Description

ICD-10 D03.30 is a billable code used to indicate a diagnosis of melanoma in situ of unspecified part of face.

Key Diagnostic Point:

Melanoma in situ is a type of skin cancer that is confined to the epidermis, the outermost layer of skin, and has not invaded deeper tissues. When classified as 'in situ,' it indicates that the cancerous cells are localized and have not spread to surrounding tissues. The unspecified part of the face indicates that the exact location of the melanoma is not specified in the medical documentation. Melanoma in situ is characterized by the presence of atypical melanocytes, which can be identified through histological examination. Early detection and treatment are crucial, as melanoma in situ has a high cure rate when treated promptly. Treatment options typically include surgical excision, and the prognosis is generally favorable. However, if left untreated, there is a risk of progression to invasive melanoma, which can significantly impact patient outcomes. Regular surveillance and monitoring are essential for patients diagnosed with melanoma in situ to detect any changes that may indicate progression.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation regarding the specific location of the melanoma.
  • Need for precise histological reporting to confirm diagnosis.
  • Potential for misclassification with other skin lesions.
  • Variations in treatment protocols that may affect coding.

Audit Risk Factors

  • Inadequate documentation of the melanoma's location.
  • Failure to document the histological findings.
  • Lack of follow-up notes indicating surveillance.
  • Misalignment between diagnosis and treatment codes.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Complete clinical notes including lesion description, biopsy results, and treatment plan.

Common Clinical Scenarios

Diagnosis of melanoma in situ during routine skin examinations, follow-up visits post-excision.

Billing Considerations

Ensure accurate documentation of margins and any additional treatments or referrals.

Oncology

Documentation Requirements

Detailed treatment plans, including surgical notes and follow-up care.

Common Clinical Scenarios

Management of melanoma in situ with potential for progression to invasive melanoma.

Billing Considerations

Document any multidisciplinary discussions regarding treatment options.

Coding Guidelines

Inclusion Criteria

Use D03.30 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include any relevant history of skin lesions and previous treatments

Exclusion Criteria

Do NOT use D03.30 When
  • Exclude codes for invasive melanoma unless there is clear documentation of progression

Related ICD-10 Codes

Related CPT Codes

11600CPT Code

Excision, malignant skin lesion, face, ears, scalp, neck; excised diameter excised 0.5 cm or less

Clinical Scenario

Used when excising a melanoma in situ from the face.

Documentation Requirements

Document the size of the lesion, excised margins, and pathology results.

Specialty Considerations

Dermatologists should ensure accurate coding based on the excised diameter.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of melanoma in situ, improving the accuracy of data collection and enhancing the ability to track treatment outcomes and progression risks.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of melanoma in situ, improving the accuracy of data collection and enhancing the ability to track treatment outcomes and progression risks.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of melanoma in situ, improving the accuracy of data collection and enhancing the ability to track treatment outcomes and progression risks.

Resources

Clinical References

  • •
    American Academy of Dermatology

Coding & Billing References

  • •
    American Academy of Dermatology

Frequently Asked Questions

What is the significance of coding melanoma in situ?

Coding melanoma in situ accurately is crucial for treatment planning, surveillance, and understanding the risk of progression to invasive melanoma. It also impacts reimbursement and quality of care metrics.