ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesC44.1921

C44.1921

Billable

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

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

Code Description

ICD-10 C44.1921 is a billable code used to indicate a diagnosis of other specified malignant neoplasm of skin of right upper eyelid, including canthus.

Key Diagnostic Point:

C44.1921 refers to a malignant neoplasm of the skin located specifically on the right upper eyelid, including the canthus area. 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 region are often associated with sun exposure, which is a significant risk factor due to the thin skin and high UV exposure of the eyelids. Surgical intervention is typically required for treatment, which may involve excision of the tumor with clear surgical margins to ensure complete removal and minimize recurrence. Reconstruction may be necessary post-excision to restore the eyelid's appearance and function, which can involve complex surgical techniques. Accurate coding for this condition is crucial for proper treatment planning, insurance reimbursement, and tracking of cancer incidence.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in histological types of skin cancer
  • Need for precise documentation of surgical margins
  • Potential for reconstruction procedures post-excision
  • Differentiation from other eyelid neoplasms

Audit Risk Factors

  • Inadequate documentation of tumor type and size
  • Failure to document surgical margins
  • Lack of clarity on reconstruction procedures
  • Misclassification of the neoplasm type

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 clear documentation of margins and any additional treatments or follow-ups.

Ophthalmology

Documentation Requirements

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

Common Clinical Scenarios

Management of eyelid tumors, including excision and reconstruction.

Billing Considerations

Document visual function and any impact on eyelid movement or appearance.

Coding Guidelines

Inclusion Criteria

Use C44.1921 When
  • According to ICD
  • 10 coding guidelines, C44
  • 1921 should be used when a malignant neoplasm of the skin is confirmed through biopsy or pathology
  • It is essential to document the specific location and type of malignancy, as well as any treatment provided
  • specified skin conditions

Exclusion Criteria

Do NOT use C44.1921 When
  • Exclusion criteria include benign neoplasms and non

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Mohs micrographic surgery

Clinical Scenario

Used for excision of malignant neoplasm on the eyelid.

Documentation Requirements

Surgical notes detailing the procedure and margins.

Specialty Considerations

Dermatology and ophthalmology must coordinate on surgical approach.

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. C44.1921 provides a clear distinction for malignant neoplasms of the eyelid, which aids in treatment planning and epidemiological tracking.

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. C44.1921 provides a clear distinction for malignant neoplasms of the eyelid, which aids in treatment planning and epidemiological tracking.

Reimbursement & Billing Impact

reimbursement processes. C44.1921 provides a clear distinction for malignant neoplasms of the eyelid, which aids in treatment planning and epidemiological tracking.

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 the malignant neoplasm has been completely excised, reducing the risk of recurrence and providing necessary information for follow-up care.