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v1.0.0
ICD-10 Guide
ICD-10 CodesC24.0

C24.0

Billable

Malignant neoplasm of extrahepatic bile duct

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

Code Description

ICD-10 C24.0 is a billable code used to indicate a diagnosis of malignant neoplasm of extrahepatic bile duct.

Key Diagnostic Point:

Malignant neoplasm of the extrahepatic bile duct refers to cancer that originates in the bile ducts outside the liver. These ducts are responsible for transporting bile from the liver to the gallbladder and small intestine. The most common type of cancer affecting the extrahepatic bile duct is cholangiocarcinoma, which can arise from the epithelial cells lining the bile ducts. Symptoms often include jaundice, abdominal pain, weight loss, and changes in stool color. Diagnosis typically involves imaging studies such as ultrasound, CT scans, or MRIs, which can reveal bile duct obstruction or mass lesions. Surgical resection is the primary treatment for localized tumors, but many patients present with advanced disease, making surgical intervention challenging. The prognosis is generally poor, with a five-year survival rate significantly lower than for many other cancers, underscoring the importance of early detection and intervention.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variability in presentation and symptoms
  • Need for precise imaging interpretation
  • Differentiation from benign conditions
  • Potential for staging complexity

Audit Risk Factors

  • Inadequate documentation of imaging findings
  • Failure to specify the location of the neoplasm
  • Misclassification of the type of bile duct cancer
  • Lack of detailed surgical notes

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and treatment plans.

Common Clinical Scenarios

Diagnosis confirmation, treatment planning, and follow-up care.

Billing Considerations

Ensure accurate staging and documentation of tumor size and location.

Gastroenterology

Documentation Requirements

Endoscopic findings, imaging results, and biopsy reports.

Common Clinical Scenarios

Evaluation of jaundice, biliary obstruction, and abnormal liver function tests.

Billing Considerations

Document any interventions performed, such as ERCP or stenting.

Coding Guidelines

Inclusion Criteria

Use C24.0 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the neoplasm's location, type, and stage
  • Include any relevant imaging findings and treatment plans

Exclusion Criteria

Do NOT use C24.0 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

47562CPT Code

Laparoscopic cholecystectomy with exploration of the common bile duct

Clinical Scenario

Used when a patient with suspected bile duct obstruction undergoes surgery.

Documentation Requirements

Document indications for surgery, findings during exploration, and any interventions performed.

Specialty Considerations

Ensure that the surgical notes clearly indicate the findings and any malignancy identified.

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 the accuracy of data collection and reimbursement processes. C24.0 provides a distinct code for extrahepatic bile duct malignancies, which aids in tracking treatment outcomes and epidemiological studies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of biliary tract cancers, improving the accuracy of data collection and reimbursement processes. C24.0 provides a distinct code for extrahepatic bile duct malignancies, which aids in tracking treatment outcomes and epidemiological studies.

Reimbursement & Billing Impact

reimbursement processes. C24.0 provides a distinct code for extrahepatic bile duct malignancies, which aids in tracking treatment outcomes and epidemiological studies.

Resources

Clinical References

  • •
    American Cancer Society - Bile Duct Cancer

Coding & Billing References

  • •
    American Cancer Society - Bile Duct Cancer

Frequently Asked Questions

What are the common symptoms of malignant neoplasm of the extrahepatic bile duct?

Common symptoms include jaundice, abdominal pain, weight loss, dark urine, and pale stools. Patients may also experience itching and changes in appetite.