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ICD-10 Guide
ICD-10 CodesC44.1092

C44.1092

Billable

Unspecified malignant neoplasm of skin of left lower eyelid, including canthus

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

Code Description

ICD-10 C44.1092 is a billable code used to indicate a diagnosis of unspecified malignant neoplasm of skin of left lower eyelid, including canthus.

Key Diagnostic Point:

C44.1092 refers to an unspecified malignant neoplasm of the skin located on the left lower eyelid, including the canthus. This type of skin cancer can arise from various skin cells and may present as a lesion that is often asymptomatic in its early stages. Risk factors include prolonged sun exposure, which can lead to DNA damage in skin cells, resulting in malignant transformations. The eyelid area is particularly sensitive and prone to skin cancers due to its exposure to UV radiation. Surgical intervention is typically required for treatment, which may involve excision of the tumor with clear surgical margins to ensure complete removal of malignant cells. Reconstruction may be necessary post-excision to restore the eyelid's appearance and function, often requiring specialized techniques to minimize scarring and maintain eyelid integrity. Accurate coding is essential for proper treatment reimbursement and tracking of cancer incidence.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

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

Audit Risk Factors

  • Inadequate documentation of tumor size and margins
  • Failure to specify the type of malignant neoplasm
  • Lack of clarity on the surgical procedure performed
  • Inconsistent coding of related reconstruction procedures

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

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

Common Clinical Scenarios

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

Billing Considerations

Ensure clear documentation of margins and any reconstruction performed.

Ophthalmology

Documentation Requirements

Documentation of eyelid function and cosmetic outcomes post-surgery.

Common Clinical Scenarios

Management of eyelid tumors and reconstruction after excision.

Billing Considerations

Focus on the functional and aesthetic outcomes of eyelid surgery.

Coding Guidelines

Inclusion Criteria

Use C44.1092 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the code is used only when the malignancy is confirmed
  • Include documentation of the specific site and any relevant surgical procedures

Exclusion Criteria

Do NOT use C44.1092 When
  • Exclude benign lesions and ensure that the diagnosis aligns with the treatment provided

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Excision, malignant skin lesion, face, ears, eyelids

Clinical Scenario

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

Documentation Requirements

Document the size of the lesion, margins, and any reconstruction performed.

Specialty Considerations

Ensure that the procedure is performed by a qualified specialist, and document the surgical technique used.

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. C44.1092 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes and cancer incidence.

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. C44.1092 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes and cancer incidence.

Reimbursement & Billing Impact

reimbursement processes. C44.1092 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes and cancer incidence.

Resources

Clinical References

  • •
    American Academy of Dermatology
  • •
    American Academy of Ophthalmology

Coding & Billing References

  • •
    American Academy of Dermatology
  • •
    American Academy of Ophthalmology

Frequently Asked Questions

What is the significance of specifying the eyelid location in the code?

Specifying the eyelid location is crucial for accurate treatment planning and reimbursement, as different eyelid areas may have varying surgical approaches and reconstruction needs.

How can I ensure accurate coding for skin cancers?

Ensure thorough documentation of the lesion characteristics, biopsy results, and surgical procedures performed. Always verify that the diagnosis aligns with the treatment provided.