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ICD-10 Guide
ICD-10 CodesC44.1922

C44.1922

Billable

Other specified malignant neoplasm of skin of right lower eyelid, including canthus

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

Code Description

ICD-10 C44.1922 is a billable code used to indicate a diagnosis of other specified malignant neoplasm of skin of right lower eyelid, including canthus.

Key Diagnostic Point:

C44.1922 refers to a malignant neoplasm of the skin located specifically on the right lower eyelid, which may include the canthus area. This code encompasses various types of skin cancers that are not classified under more specific categories, such as basal cell carcinoma or squamous cell carcinoma. Skin cancers in this region can arise due to prolonged sun exposure, which is a significant risk factor, particularly in individuals with fair skin. The clinical presentation may include lesions that are asymptomatic or may present with symptoms such as itching, bleeding, or ulceration. Surgical intervention is often required, and the margins of excised tissue must be carefully evaluated to ensure complete removal of malignant cells. Reconstruction of the eyelid may be necessary post-excision to restore function and aesthetics, which can involve complex surgical techniques. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in histological types of skin cancers
  • Need for precise documentation of surgical margins
  • Potential for reconstruction procedures post-excision
  • Differentiation from benign lesions

Audit Risk Factors

  • Inadequate documentation of the type of malignancy
  • Failure to document surgical margins
  • Lack of clarity on the extent of sun exposure
  • Improper coding of reconstruction procedures

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed pathology reports, surgical notes, and follow-up care documentation.

Common Clinical Scenarios

Diagnosis and treatment of skin cancers, including Mohs micrographic surgery.

Billing Considerations

Ensure accurate coding of the specific type of skin cancer and any associated procedures.

Ophthalmology

Documentation Requirements

Comprehensive eye examination findings, surgical notes, and post-operative care documentation.

Common Clinical Scenarios

Management of eyelid malignancies and reconstruction post-excision.

Billing Considerations

Collaboration with dermatology for accurate coding and treatment planning.

Coding Guidelines

Inclusion Criteria

Use C44.1922 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the malignancy is confirmed through biopsy or pathology

Exclusion Criteria

Do NOT use C44.1922 When
  • Exclude benign lesions and ensure documentation supports the diagnosis

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Excision, malignant skin lesion

Clinical Scenario

Used when excising a malignant neoplasm from the right lower eyelid.

Documentation Requirements

Surgical notes detailing the excision and margins.

Specialty Considerations

Ensure collaboration between dermatology and ophthalmology for accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving the accuracy of data collection and reimbursement processes. C44.1922 provides specificity that was lacking in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving the accuracy of data collection and reimbursement processes. C44.1922 provides specificity that was lacking in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. C44.1922 provides specificity that was lacking in ICD-9.

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 significance of documenting surgical margins?

Documenting surgical margins is crucial to ensure that all malignant cells have been removed, reducing the risk of recurrence and supporting the coding for the procedure performed.