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 CodesC44.510

C44.510

Billable

Basal cell carcinoma of anal skin

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

Code Description

ICD-10 C44.510 is a billable code used to indicate a diagnosis of basal cell carcinoma of anal skin.

Key Diagnostic Point:

Basal cell carcinoma (BCC) of the anal skin is a type of non-melanoma skin cancer that arises from the basal cells in the epidermis, specifically located around the anal region. This malignancy is characterized by slow growth and a low tendency to metastasize, making it less aggressive than other skin cancers. However, it can cause significant local tissue destruction if left untreated. Risk factors for developing BCC include prolonged sun exposure, fair skin, and a history of skin cancer. Surgical excision is the primary treatment, and achieving clear surgical margins is crucial to prevent recurrence. Reconstruction may be necessary depending on the size and location of the excised lesion, and techniques can vary from simple closure to more complex flap or graft procedures. Regular follow-up is essential to monitor for any signs of recurrence or new skin cancers, particularly in patients with a history of skin malignancies. Understanding the nuances of coding for BCC of the anal skin is vital for accurate billing and ensuring appropriate patient management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between basal cell carcinoma and other skin cancers.
  • Understanding the specific anatomical location (anal skin) for accurate coding.
  • Documenting surgical margins and reconstruction details.
  • Navigating the nuances of coding for non-melanoma skin cancers.

Audit Risk Factors

  • Inadequate documentation of surgical margins.
  • Failure to document the specific location of the carcinoma.
  • Incorrect coding of the type of skin cancer.
  • Lack of follow-up documentation post-surgery.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed clinical notes on the lesion's characteristics, treatment plan, and follow-up care.

Common Clinical Scenarios

Diagnosis and treatment of skin lesions, including BCC, Mohs surgery, and post-operative care.

Billing Considerations

Ensure clear documentation of margins and any reconstructive procedures performed.

Surgical Oncology

Documentation Requirements

Operative reports detailing the excision and reconstruction techniques used.

Common Clinical Scenarios

Surgical excision of skin cancers, including BCC, and management of surgical complications.

Billing Considerations

Accurate coding of both the excision and any reconstructive procedures is essential.

Coding Guidelines

Inclusion Criteria

Use C44.510 When
  • According to official coding guidelines, C44
  • 510 should be used when documenting basal cell carcinoma specifically located on the anal skin
  • Coders must ensure that the diagnosis is supported by clinical documentation, including pathology reports and treatment plans

Exclusion Criteria

Do NOT use C44.510 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11600CPT Code

Excision, malignant skin lesion, face, ears, scalp

Clinical Scenario

Used when excising a basal cell carcinoma from the anal skin.

Documentation Requirements

Operative report detailing the excision and margins.

Specialty Considerations

Dermatology and surgical oncology must document the procedure accurately.

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, including basal cell carcinoma of the anal skin, which enhances the ability to track and manage these conditions effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of skin cancers, including basal cell carcinoma of the anal skin, which enhances the ability to track and manage these conditions effectively.

Reimbursement & Billing Impact

reimbursement and compliance.

Resources

Clinical References

  • •
    American Academy of Dermatology

Coding & Billing References

  • •
    American Academy of Dermatology

Frequently Asked Questions

What is the primary treatment for basal cell carcinoma of anal skin?

The primary treatment is surgical excision, often followed by reconstruction if necessary. Mohs micrographic surgery may also be utilized for larger lesions.