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ICD-10 Guide
ICD-10 CodesC44.61

C44.61

Billable

Basal cell carcinoma of skin of upper limb, including shoulder

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

Code Description

ICD-10 C44.61 is a billable code used to indicate a diagnosis of basal cell carcinoma of skin of upper limb, including shoulder.

Key Diagnostic Point:

Basal cell carcinoma (BCC) is the most common form of skin cancer, arising from the basal cells in the epidermis. This malignancy is primarily associated with chronic sun exposure, leading to DNA damage in skin cells. BCCs typically present as pearly nodules, flat lesions, or scaly patches on sun-exposed areas, including the upper limb and shoulder. The risk factors for developing BCC include fair skin, a history of sunburns, and prolonged UV exposure. Surgical excision is the most common treatment, with the goal of achieving clear surgical margins to minimize recurrence. Reconstruction may be necessary depending on the size and location of the excised lesion, particularly in cosmetically sensitive areas. The prognosis for BCC is generally favorable, with a low risk of metastasis, but careful monitoring is essential due to the potential for local recurrence and the development of new skin cancers.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of skin cancers (e.g., BCC vs. SCC)
  • Determining the exact location of the carcinoma (upper limb vs. other areas)
  • Understanding surgical margins and their implications for coding
  • Reconstruction procedures that may follow excision

Audit Risk Factors

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

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of the lesion, treatment plans, and follow-up care.

Common Clinical Scenarios

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

Billing Considerations

Ensure accurate documentation of margins and any additional procedures performed.

Oncology

Documentation Requirements

Comprehensive treatment history, including chemotherapy or radiation if applicable.

Common Clinical Scenarios

Management of recurrent BCC or BCC in immunocompromised patients.

Billing Considerations

Document any systemic therapies or clinical trials involved in treatment.

Coding Guidelines

Inclusion Criteria

Use C44.61 When
  • Follow the official ICD
  • CM coding guidelines for neoplasms, ensuring accurate documentation of the site and type of cancer
  • Include any relevant history of skin cancer and treatment details

Exclusion Criteria

Do NOT use C44.61 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Excision, malignant skin lesion

Clinical Scenario

Used when excising a BCC from the upper limb.

Documentation Requirements

Document the size of the lesion and margins obtained.

Specialty Considerations

Dermatologists should ensure clear documentation of the procedure and follow-up care.

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. C44.61 provides detailed information about the location and type of carcinoma, which is essential for treatment planning and epidemiological studies.

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. C44.61 provides detailed information about the location and type of carcinoma, which is essential for treatment planning and epidemiological studies.

Reimbursement & Billing Impact

reimbursement processes. C44.61 provides detailed information about the location and type of carcinoma, which is essential for treatment planning and epidemiological studies.

Resources

Clinical References

  • •
    American Academy of Dermatology

Coding & Billing References

  • •
    American Academy of Dermatology

Frequently Asked Questions

What is the primary cause of basal cell carcinoma?

The primary cause of basal cell carcinoma is prolonged exposure to ultraviolet (UV) radiation from the sun or tanning beds, which leads to DNA damage in skin cells.