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ICD-10 Guide
ICD-10 CodesC46.7

C46.7

Billable

Kaposi's sarcoma of other sites

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

Code Description

ICD-10 C46.7 is a billable code used to indicate a diagnosis of kaposi's sarcoma of other sites.

Key Diagnostic Point:

Kaposi's sarcoma (KS) is a vascular tumor associated with human herpesvirus 8 (HHV-8) infection, often seen in immunocompromised individuals, particularly those with HIV/AIDS. It manifests as purple, red, or brown lesions on the skin and can also affect mucosal surfaces and internal organs. The lesions are caused by the proliferation of spindle-shaped cells and can vary in appearance and severity. In patients with HIV, KS is considered an AIDS-defining illness, indicating advanced immunosuppression. The disease can be localized or disseminated, and its progression is influenced by the patient's immune status. Treatment options include antiretroviral therapy (ART) to improve immune function, local therapies such as cryotherapy or laser treatment for skin lesions, and systemic therapies like chemotherapy (e.g., liposomal doxorubicin) for more extensive disease. The prognosis varies based on the extent of the disease and the patient's overall health, with early detection and treatment significantly improving outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between various types of sarcomas
  • Understanding the relationship between KS and HIV/AIDS
  • Identifying the site of lesions for accurate coding
  • Navigating treatment-related codes and their implications

Audit Risk Factors

  • Inadequate documentation of lesion sites
  • Failure to link KS to HIV/AIDS status
  • Misclassification of KS as a benign condition
  • Omission of treatment details in medical records

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed descriptions of lesion characteristics, treatment plans, and patient response to therapy.

Common Clinical Scenarios

Patients presenting with skin lesions, systemic symptoms, or complications related to KS.

Billing Considerations

Ensure accurate staging and grading of KS, as well as documentation of any concurrent malignancies.

Infectious Disease

Documentation Requirements

Comprehensive history of HIV status, CD4 counts, and treatment regimens.

Common Clinical Scenarios

Patients with advanced HIV presenting with opportunistic infections and KS.

Billing Considerations

Document the immunocompromised state and its impact on KS progression.

Coding Guidelines

Inclusion Criteria

Use C46.7 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the site of KS lesions
  • Include any relevant HIV status and treatment history

Exclusion Criteria

Do NOT use C46.7 When
  • Exclude codes for benign lesions or other malignancies unless specifically documented

Related ICD-10 Codes

Related CPT Codes

96440CPT Code

Chemotherapy administration

Clinical Scenario

Used for patients receiving systemic therapy for KS.

Documentation Requirements

Document the type of chemotherapy, dosage, and patient response.

Specialty Considerations

Oncology specialists should ensure accurate coding of chemotherapy regimens.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Kaposi's sarcoma, improving the accuracy of data collection and treatment tracking. This specificity aids in better understanding the epidemiology of KS, especially in relation to HIV/AIDS.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Kaposi's sarcoma, improving the accuracy of data collection and treatment tracking. This specificity aids in better understanding the epidemiology of KS, especially in relation to HIV/AIDS.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of Kaposi's sarcoma, improving the accuracy of data collection and treatment tracking. This specificity aids in better understanding the epidemiology of KS, especially in relation to HIV/AIDS.

Resources

Clinical References

  • •
    Kaposi's Sarcoma Research Center

Coding & Billing References

  • •
    Kaposi's Sarcoma Research Center

Frequently Asked Questions

What is the significance of coding C46.7 in relation to HIV?

Coding C46.7 indicates that the patient has Kaposi's sarcoma at other sites, which is particularly significant in the context of HIV as it is an AIDS-defining illness. Accurate coding helps in tracking the disease's prevalence and managing treatment effectively.