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v1.0.0
ICD-10 Guide
ICD-10 CodesC24.9

C24.9

Billable

Malignant neoplasm of biliary tract, unspecified

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

Code Description

ICD-10 C24.9 is a billable code used to indicate a diagnosis of malignant neoplasm of biliary tract, unspecified.

Key Diagnostic Point:

C24.9 refers to a malignant neoplasm located in the biliary tract, which includes the bile ducts and gallbladder. Biliary tract cancers are relatively rare and can be aggressive, often presenting at an advanced stage due to nonspecific symptoms. Patients may experience jaundice, abdominal pain, weight loss, and changes in stool color. Imaging studies such as ultrasound, CT scans, and MRIs are crucial for diagnosis, revealing mass lesions, bile duct obstruction, or liver involvement. Surgical challenges arise due to the complex anatomy of the biliary system and the proximity of these structures to vital organs. Resection may be complicated by the presence of metastases or local invasion, necessitating a multidisciplinary approach for optimal management. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking outcomes in this challenging patient population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified nature of the neoplasm complicates treatment planning.
  • Variability in presentation and staging of biliary tract cancers.
  • Need for comprehensive imaging and pathology reports for accurate coding.
  • Potential for overlapping symptoms with other gastrointestinal conditions.

Audit Risk Factors

  • Insufficient documentation of the tumor's location and characteristics.
  • Failure to provide imaging or pathology reports.
  • Inconsistent staging information.
  • Lack of clarity regarding treatment plans.

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and treatment plans.

Common Clinical Scenarios

Diagnosis of biliary tract cancer, staging, and treatment planning.

Billing Considerations

Ensure accurate documentation of tumor characteristics and staging for appropriate coding.

Gastroenterology

Documentation Requirements

Endoscopy reports, imaging findings, and clinical notes.

Common Clinical Scenarios

Evaluation of jaundice, biliary obstruction, and follow-up care.

Billing Considerations

Documenting the clinical rationale for imaging and interventions is crucial.

Coding Guidelines

Inclusion Criteria

Use C24.9 When
  • Follow official ICD
  • CM guidelines for coding neoplasms, ensuring accurate documentation of the site and type of malignancy
  • Include any relevant staging information and treatment plans to support the use of C24

Exclusion Criteria

Do NOT use C24.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

47563CPT Code

Laparoscopic cholecystectomy

Clinical Scenario

Used for gallbladder cancer resection.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Ensure clear documentation of cancer staging and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of biliary tract cancers, improving data accuracy and facilitating better tracking of treatment outcomes. C24.9, while unspecified, still requires careful documentation to ensure appropriate care and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of biliary tract cancers, improving data accuracy and facilitating better tracking of treatment outcomes. C24.9, while unspecified, still requires careful documentation to ensure appropriate care and reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Cancer Society - Biliary Tract Cancer

Coding & Billing References

  • •
    American Cancer Society - Biliary Tract Cancer

Frequently Asked Questions

What is the significance of coding C24.9?

C24.9 is used to identify malignant neoplasms of the biliary tract when the specific site is not documented. Accurate coding is essential for treatment planning and reimbursement.