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v1.0.0
ICD-10 Guide
ICD-10 CodesC44.1192

C44.1192

Billable

Basal cell carcinoma of skin of left lower eyelid, including canthus

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

Code Description

ICD-10 C44.1192 is a billable code used to indicate a diagnosis of basal cell carcinoma of skin of left lower eyelid, including canthus.

Key Diagnostic Point:

Basal cell carcinoma (BCC) is the most common form of skin cancer, arising from the basal cells in the epidermis. This specific code, C44.1192, refers to BCC located on the skin of the left lower eyelid, including the canthus, which is the corner of the eye where the upper and lower eyelids meet. BCC is often associated with prolonged sun exposure, particularly in fair-skinned individuals, and is characterized by slow growth and a low likelihood of metastasis. Clinically, BCC may present as a pearly nodule, ulcerated lesion, or a flat, scaly patch. Surgical excision is the primary treatment, with careful attention to achieving clear surgical margins to minimize recurrence. Reconstruction may be necessary post-excision, especially in cosmetically sensitive areas like the eyelids, to restore function and appearance. The prognosis for BCC is generally favorable, but early detection and treatment are crucial to prevent complications and ensure optimal outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of location (left lower eyelid, including canthus)
  • Need for accurate documentation of surgical margins
  • Potential for reconstruction procedures post-excision
  • Differentiation from other skin lesions

Audit Risk Factors

  • Inadequate documentation of surgical margins
  • Failure to specify the exact location of the carcinoma
  • Lack of clarity on reconstruction procedures performed
  • Misclassification of the type of skin cancer

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed clinical notes on lesion characteristics, size, and location; surgical notes including margins and reconstruction details.

Common Clinical Scenarios

Diagnosis and treatment of BCC, Mohs micrographic surgery, and post-operative care.

Billing Considerations

Ensure accurate coding of the specific eyelid location and any associated procedures.

Ophthalmology

Documentation Requirements

Records of visual function, eyelid anatomy, and any impact on ocular health.

Common Clinical Scenarios

Management of eyelid tumors, surgical interventions, and cosmetic reconstruction.

Billing Considerations

Collaboration with dermatology for comprehensive care and accurate coding.

Coding Guidelines

Inclusion Criteria

Use C44.1192 When
  • Follow the official ICD
  • CM guidelines for coding neoplasms, ensuring accurate documentation of the site and type of carcinoma
  • Include details on surgical margins and any reconstructive procedures performed

Exclusion Criteria

Do NOT use C44.1192 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Mohs micrographic surgery, first stage

Clinical Scenario

Used for excision of BCC on the left lower eyelid.

Documentation Requirements

Surgical notes detailing the procedure and margins.

Specialty Considerations

Dermatology and ophthalmology collaboration for eyelid reconstruction.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 allows for greater specificity in coding skin cancers, improving data accuracy and facilitating better patient management. C44.1192 provides detailed information on the location and type of carcinoma, which is crucial for treatment planning and research.

ICD-9 vs ICD-10

The transition to ICD-10 allows for greater specificity in coding skin cancers, improving data accuracy and facilitating better patient management. C44.1192 provides detailed information on the location and type of carcinoma, which is crucial for treatment planning and research.

Reimbursement & Billing Impact

The transition to ICD-10 allows for greater specificity in coding skin cancers, improving data accuracy and facilitating better patient management. C44.1192 provides detailed information on the location and type of carcinoma, which is crucial for treatment planning and research.

Resources

Clinical References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute - Skin Cancer

Coding & Billing References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute - Skin Cancer

Frequently Asked Questions

What is the primary treatment for basal cell carcinoma?

The primary treatment for basal cell carcinoma is surgical excision, often using Mohs micrographic surgery for lesions in cosmetically sensitive areas like the eyelids.

How can I differentiate basal cell carcinoma from other skin lesions?

Basal cell carcinoma typically presents as a pearly nodule or a flat, scaly patch. A biopsy is necessary for definitive diagnosis.