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ICD-10 Guide
ICD-10 CodesD22.122

D22.122

Billable

Melanocytic nevi of left lower eyelid, including canthus

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

Code Description

ICD-10 D22.122 is a billable code used to indicate a diagnosis of melanocytic nevi of left lower eyelid, including canthus.

Key Diagnostic Point:

Melanocytic nevi, commonly known as moles, are benign tumors that arise from melanocytes, the pigment-producing cells in the skin. When located on the left lower eyelid, including the canthus, these nevi can vary in appearance, size, and color. They are typically asymptomatic but may be of cosmetic concern to patients. Melanocytic nevi can be classified based on their morphology, such as junctional, compound, or intradermal nevi. The management of these nevi often involves monitoring for changes in size, shape, or color, which could indicate malignant transformation. Surgical excision may be considered for nevi that are symptomatic, cosmetically undesirable, or show atypical features. Follow-up care is essential to ensure that any changes in the nevi are promptly addressed, and patients should be educated on self-examination techniques to monitor for new or changing lesions. Regular dermatological evaluations may also be recommended, especially for individuals with multiple nevi or a family history of skin cancer.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of location (left lower eyelid, including canthus)
  • Differentiation from other skin lesions
  • Potential for malignant transformation
  • Need for detailed documentation of clinical findings

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to note changes in the nevi
  • Incorrect coding of the anatomical site
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of the nevi's characteristics, including size, color, and any changes over time.

Common Clinical Scenarios

Evaluation of new or changing nevi, management of symptomatic nevi, and cosmetic consultations.

Billing Considerations

Documentation should include patient history, family history of skin cancer, and any previous treatments.

Ophthalmology

Documentation Requirements

Assessment of the impact of the nevus on vision and eyelid function.

Common Clinical Scenarios

Management of nevi affecting eyelid function or causing irritation.

Billing Considerations

Consideration of surgical options that preserve eyelid function and aesthetics.

Coding Guidelines

Inclusion Criteria

Use D22.122 When
  • According to ICD
  • 10 guidelines, D22
  • 122 should be used when documenting benign melanocytic nevi specifically located on the left lower eyelid
  • It is important to ensure that the documentation supports the diagnosis and that any associated procedures are accurately coded

Exclusion Criteria

Do NOT use D22.122 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11400CPT Code

Excision, benign lesion

Clinical Scenario

Used when excising a melanocytic nevus on the left lower eyelid.

Documentation Requirements

Document the size of the lesion and the method of excision.

Specialty Considerations

Ensure that the excision is performed by a qualified provider and that the procedure is medically necessary.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding conditions like melanocytic nevi, enabling better tracking of benign lesions and their management. This specificity aids in research and improves patient care by ensuring accurate documentation and billing.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding conditions like melanocytic nevi, enabling better tracking of benign lesions and their management. This specificity aids in research and improves patient care by ensuring accurate documentation and billing.

Reimbursement & Billing Impact

billing.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between a melanocytic nevus and a malignant melanoma?

A melanocytic nevus is a benign growth of melanocytes, while malignant melanoma is a type of skin cancer that arises from melanocytes and has the potential to metastasize. Proper diagnosis and monitoring are essential to differentiate between the two.