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v1.0.0
ICD-10 Guide
ICD-10 CodesC44.1992

C44.1992

Billable

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

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

Code Description

ICD-10 C44.1992 is a billable code used to indicate a diagnosis of other specified malignant neoplasm of skin of left lower eyelid, including canthus.

Key Diagnostic Point:

C44.1992 refers to a malignant neoplasm of the skin located specifically on the left lower eyelid, including the canthus. This code encompasses various types of skin cancers that may not fit into more specific categories, such as basal cell carcinoma or squamous cell carcinoma. Skin cancers in this area can arise due to prolonged sun exposure, which is a significant risk factor, particularly in individuals with fair skin. The eyelid's thin skin makes it particularly susceptible to malignancies, and early detection is crucial for effective treatment. Surgical excision is often the primary treatment method, with careful attention to surgical margins to ensure complete removal of cancerous cells. Reconstruction may be necessary post-excision to restore the eyelid's appearance and function, which can involve complex techniques depending on the extent of the excision. Accurate coding is essential for proper reimbursement and to reflect the complexity of care provided.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in types of malignant neoplasms that can be coded under this category.
  • Need for precise documentation of the location and extent of the neoplasm.
  • Potential for multiple surgical procedures and reconstruction techniques.
  • Differentiation from benign lesions and other skin cancers.

Audit Risk Factors

  • Inadequate documentation of the surgical margins.
  • Failure to specify the type of malignant neoplasm.
  • Lack of clarity in the surgical procedure performed.
  • Inconsistent coding of related procedures.

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

Detailed descriptions of the neoplasm, surgical approach, and reconstruction techniques used.

Common Clinical Scenarios

Management of skin cancers on the eyelids, including excision and reconstruction.

Billing Considerations

Documentation must clearly indicate the type of malignancy and any associated procedures.

Dermatology

Documentation Requirements

Pathology reports, treatment plans, and follow-up care notes.

Common Clinical Scenarios

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

Billing Considerations

Ensure accurate coding of the type of skin cancer and any additional treatments provided.

Coding Guidelines

Inclusion Criteria

Use C44.1992 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the malignancy is confirmed by pathology
  • Include documentation of the surgical procedure and any reconstruction performed
  • Ensure that the code reflects the specific location and type of malignancy

Exclusion Criteria

Do NOT use C44.1992 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11420CPT Code

Excision, malignant skin lesion, face, ears, scalp

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

Ophthalmologists and dermatologists must ensure accurate coding of the excision and any subsequent procedures.

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. C44.1992 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes.

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. C44.1992 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. C44.1992 provides a clear designation for malignant neoplasms of the left lower eyelid, facilitating better tracking of treatment outcomes.

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 types of skin cancers are included under C44.1992?

C44.1992 includes various types of malignant neoplasms of the skin on the left lower eyelid, such as basal cell carcinoma, squamous cell carcinoma, and other specified malignancies that do not fall under more specific codes.

How should surgical margins be documented for C44.1992?

Surgical margins should be clearly documented in the operative report, indicating whether they are clear or involved with malignancy, as this impacts treatment decisions and coding.