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ICD-10 Guide
ICD-10 CodesC47.20

C47.20

Billable

Malignant neoplasm of peripheral nerves of unspecified lower limb, including hip

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

Code Description

ICD-10 C47.20 is a billable code used to indicate a diagnosis of malignant neoplasm of peripheral nerves of unspecified lower limb, including hip.

Key Diagnostic Point:

C47.20 refers to malignant tumors that arise from the peripheral nerves located in the lower limb, including the hip region. These tumors can be classified as soft tissue sarcomas, which are a diverse group of cancers originating from connective tissues. The peripheral nerves are responsible for transmitting signals between the brain and the rest of the body, and malignancies in this area can lead to significant functional impairment and pain. Grading of these tumors is crucial, as it helps determine the aggressiveness of the cancer and guides treatment options. Multidisciplinary management is essential for optimal patient outcomes, involving surgical intervention, radiation therapy, and chemotherapy, depending on the tumor's size, location, and grade. Accurate coding of this condition requires a thorough understanding of the clinical presentation, diagnostic imaging, and histopathological findings, as well as the treatment plan established by the healthcare team.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variability in tumor presentation and grading
  • Need for precise documentation of tumor location
  • Differentiation from benign nerve tumors
  • Multidisciplinary treatment approaches

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to specify the exact location of the tumor
  • Misclassification of benign versus malignant tumors
  • Lack of clarity in treatment plans

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and treatment plans must be documented.

Common Clinical Scenarios

Patients presenting with pain, neurological deficits, or palpable masses in the lower limb.

Billing Considerations

Ensure accurate staging and grading are documented to support treatment decisions.

Surgery

Documentation Requirements

Operative reports detailing the extent of resection and any adjuvant therapies.

Common Clinical Scenarios

Surgical intervention for tumor resection or biopsy.

Billing Considerations

Document the surgical margins and any complications encountered during the procedure.

Coding Guidelines

Inclusion Criteria

Use C47.20 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the malignancy is confirmed
  • Include documentation of the tumor's location, size, and any relevant staging information

Exclusion Criteria

Do NOT use C47.20 When
  • Exclude conditions that do not meet the criteria for malignant neoplasms

Related ICD-10 Codes

Related CPT Codes

38542CPT Code

Excision of malignant tumor of peripheral nerve

Clinical Scenario

Used when a malignant peripheral nerve tumor is surgically excised.

Documentation Requirements

Operative report detailing the tumor's location and size.

Specialty Considerations

Oncology and surgical specialties must coordinate documentation for accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding malignant neoplasms, including peripheral nerve tumors. This specificity aids in better tracking of cancer incidence and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding malignant neoplasms, including peripheral nerve tumors. This specificity aids in better tracking of cancer incidence and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding malignant neoplasms, including peripheral nerve tumors. This specificity aids in better tracking of cancer incidence and treatment outcomes.

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 are the common symptoms of malignant neoplasms of peripheral nerves?

Common symptoms include pain, weakness, numbness, and swelling in the affected limb. Patients may also experience neurological deficits depending on the tumor's location.

How is the grading of these tumors determined?

Grading is determined based on histological examination, assessing factors such as cellularity, mitotic activity, and necrosis. Higher grades indicate more aggressive tumors.