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ICD-10 Guide
ICD-10 CodesC47.9

C47.9

Billable

Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified

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

Code Description

ICD-10 C47.9 is a billable code used to indicate a diagnosis of malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified.

Key Diagnostic Point:

C47.9 refers to malignant neoplasms that arise from the peripheral nerves and the autonomic nervous system, where the specific site of the tumor is not specified. These tumors can include a variety of soft tissue sarcomas, which are cancers that develop in the connective tissues of the body. The peripheral nervous system includes all nerves outside the brain and spinal cord, and tumors in this area can lead to significant morbidity due to their impact on nerve function. The management of these neoplasms often requires a multidisciplinary approach, involving oncologists, surgeons, radiologists, and pathologists to ensure comprehensive care. Treatment may include surgical resection, chemotherapy, and radiation therapy, depending on the tumor's grade and stage. Grading of these tumors is crucial as it helps determine the aggressiveness of the cancer and guides treatment decisions. Accurate coding is essential for proper reimbursement and tracking of cancer cases, making it important for coders to understand the nuances of this diagnosis.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variability in tumor presentation and location
  • Need for precise documentation of tumor characteristics
  • Differentiation from benign tumors and other malignancies
  • Multidisciplinary management requiring coordination of care

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to specify the site of the neoplasm
  • Misclassification of tumor grade
  • Inconsistent treatment documentation

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, treatment plans, and follow-up notes.

Common Clinical Scenarios

Diagnosis and management of soft tissue sarcomas, chemotherapy administration, and surgical interventions.

Billing Considerations

Ensure accurate staging and grading of tumors to support coding.

Surgery

Documentation Requirements

Operative reports, pre-operative assessments, and post-operative follow-ups.

Common Clinical Scenarios

Surgical resection of tumors, management of complications, and reconstruction.

Billing Considerations

Document the extent of resection and any nerve involvement.

Coding Guidelines

Inclusion Criteria

Use C47.9 When
  • According to ICD
  • 10 coding guidelines, C47
  • 9 should be used when the specific site of the malignant neoplasm is not documented
  • Coders should ensure that all relevant clinical information is captured to support the diagnosis

Exclusion Criteria

Do NOT use C47.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

38542CPT Code

Excision of malignant tumor of soft tissue

Clinical Scenario

Used when a malignant neoplasm of the peripheral nerves is surgically excised.

Documentation Requirements

Operative report detailing the tumor size, location, and margins.

Specialty Considerations

Ensure the surgical team documents the extent of resection and any nerve involvement.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of malignant neoplasms, improving the accuracy of cancer registries and facilitating better patient management. C47.9 captures a broad category of tumors, necessitating careful documentation to ensure appropriate coding.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of malignant neoplasms, improving the accuracy of cancer registries and facilitating better patient management. C47.9 captures a broad category of tumors, necessitating careful documentation to ensure appropriate coding.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of malignant neoplasms, improving the accuracy of cancer registries and facilitating better patient management. C47.9 captures a broad category of tumors, necessitating careful documentation to ensure appropriate coding.

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 documentation is needed to support the use of C47.9?

Documentation should include pathology reports, imaging studies, treatment plans, and notes from all specialties involved in the patient's care.