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ICD-10 Guide
ICD-10 CodesD13.5

D13.5

Billable

Benign neoplasm of extrahepatic bile ducts

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

Code Description

ICD-10 D13.5 is a billable code used to indicate a diagnosis of benign neoplasm of extrahepatic bile ducts.

Key Diagnostic Point:

Benign neoplasms of the extrahepatic bile ducts are non-cancerous growths that occur in the bile ducts outside the liver. These neoplasms can arise from various cell types within the bile duct epithelium and may present as solitary or multiple lesions. Clinically, they may be asymptomatic or cause obstructive symptoms such as jaundice, pruritus, or abdominal pain, depending on their size and location. Diagnosis typically involves imaging studies such as ultrasound, CT scans, or MRCP, and may require biopsy for definitive diagnosis. While benign, these neoplasms necessitate careful monitoring due to their potential to cause complications, including biliary obstruction or infection. Surveillance strategies often include regular imaging to assess for changes in size or characteristics that might suggest malignant transformation, although the risk of malignancy is generally low. Management may involve surgical intervention if symptomatic or if there is concern for complications. Understanding the nature of these neoplasms is crucial for appropriate coding and patient management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from malignant neoplasms
  • Need for precise documentation of imaging findings
  • Potential for associated conditions affecting coding
  • Variability in clinical presentation and management

Audit Risk Factors

  • Inadequate documentation of imaging results
  • Failure to document follow-up care or surveillance
  • Misclassification as malignant neoplasm
  • Lack of clarity in clinical notes regarding symptoms

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Detailed imaging reports, biopsy results, and clinical notes on symptoms and management plans.

Common Clinical Scenarios

Patients presenting with jaundice or abdominal pain, requiring imaging to evaluate bile duct obstruction.

Billing Considerations

Ensure clear documentation of the benign nature of the neoplasm and any surveillance plans.

Surgery

Documentation Requirements

Operative reports detailing the surgical approach and findings during procedures.

Common Clinical Scenarios

Surgical intervention for symptomatic benign neoplasms or those causing obstruction.

Billing Considerations

Document the rationale for surgery and any findings that may suggest malignancy.

Coding Guidelines

Inclusion Criteria

Use D13.5 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the diagnosis and any associated conditions
  • Include details on imaging and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use D13.5 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

47563CPT Code

Laparoscopic cholecystectomy with exploration of the common bile duct

Clinical Scenario

Used when a benign neoplasm causes obstruction requiring surgical intervention.

Documentation Requirements

Operative report detailing findings and procedures performed.

Specialty Considerations

Gastroenterology and Surgery 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 more specific coding of benign neoplasms, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of benign neoplasms, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 is the significance of coding D13.5 accurately?

Accurate coding of D13.5 is crucial for proper patient management, appropriate reimbursement, and ensuring that the benign nature of the neoplasm is clearly documented to avoid misclassification as malignant.