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ICD-10 Guide
ICD-10 CodesD03.3

D03.3

Billable

Melanoma in situ of other and unspecified parts of face

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

Code Description

ICD-10 D03.3 is a billable code used to indicate a diagnosis of melanoma in situ of other and unspecified parts 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. This specific code, D03.3, refers to melanoma in situ located on other and unspecified parts of the face, which may include areas not typically categorized under more specific facial regions. Melanoma in situ is characterized by the uncontrolled growth of melanocytes, the pigment-producing cells in the skin. Early detection is crucial, as melanoma can progress to invasive cancer if left untreated. Patients with melanoma in situ often present with asymptomatic lesions that may appear as irregularly shaped moles or spots. Surveillance protocols typically involve regular skin examinations and monitoring for changes in the appearance of the lesions. The risk of progression to invasive melanoma is significant, particularly in cases where the lesion is not adequately excised. Therefore, timely intervention and follow-up are essential to prevent complications and ensure favorable outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of lesion location
  • Differentiation from other skin lesions
  • Need for precise staging and grading
  • Potential for multiple lesions requiring coding

Audit Risk Factors

  • Inadequate documentation of lesion characteristics
  • Failure to specify the exact location of the melanoma
  • Inconsistent follow-up documentation
  • Lack of clear treatment plans

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of the lesion, including size, shape, and color, as well as photographic evidence when possible.

Common Clinical Scenarios

Diagnosis of melanoma in situ during routine skin checks, excisional biopsy findings, and follow-up visits.

Billing Considerations

Ensure that all lesions are documented with precise anatomical locations to avoid coding errors.

Oncology

Documentation Requirements

Comprehensive treatment plans, including surgical interventions and follow-up care.

Common Clinical Scenarios

Management of melanoma in situ post-excision and monitoring for recurrence.

Billing Considerations

Documentation should reflect the multidisciplinary approach to treatment and follow-up.

Coding Guidelines

Inclusion Criteria

Use D03.3 When
  • According to the ICD
  • CM coding guidelines, melanoma in situ should be coded based on the specific location of the lesion
  • 3 is used when the melanoma is located on unspecified parts of the face
  • Coders must ensure that the documentation supports the diagnosis and that any related procedures are accurately captured

Exclusion Criteria

Do NOT use D03.3 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11600CPT Code

Excision, malignant skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm

Clinical Scenario

Used when excising a melanoma in situ from the face.

Documentation Requirements

Operative report detailing the excised lesion's size and location.

Specialty Considerations

Dermatology and surgical oncology must ensure accurate coding of the excised lesion.

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 resource utilization.

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 resource utilization.

Reimbursement & Billing Impact

reimbursement.

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 accurately?

Accurate coding of melanoma in situ is crucial for appropriate treatment planning, monitoring progression risk, and ensuring proper reimbursement for services rendered. It also aids in public health data collection and research.