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K80.50
ICD-10-CM
Common Bile Duct Stone

Learn about common bile duct stone (choledocholithiasis) diagnosis, including clinical documentation, medical coding, and healthcare best practices. Find information on CBD stone diagnosis, treatment, and management. This resource provides essential details for healthcare professionals, covering choledocholithiasis symptoms, ICD-10 coding, and common bile duct stone treatment options.

Also known as

Choledocholithiasis
CBD Stone

Diagnosis Snapshot

Key Facts
  • Definition : Gallstone lodged in the common bile duct, blocking bile flow from the liver/gallbladder to the intestine.
  • Clinical Signs : Abdominal pain (RUQ), jaundice, fever, nausea/vomiting, dark urine, light stools, elevated liver enzymes.
  • Common Settings : ER, Gastroenterology Clinic, General Surgery Clinic, Inpatient Hospital

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K80.50 Coding
K80-K87

Disorders of gallbladder, biliary tract

Covers gallbladder, bile duct diseases including stones.

K81-K81

Cholelithiasis

Relates specifically to gallstones, sometimes in bile ducts.

R10-R19

Symptoms signs involving abdomen digestive

Includes abdominal pain and other symptoms related to stones.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the common bile duct stone with cholangitis or cholecystitis?

  • Yes, with cholangitis

    Acute or chronic cholangitis?

  • Yes, with cholecystitis

    Acute or chronic cholecystitis?

  • No

    Is the stone impacted?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Gallstone in the common bile duct.
Gallstone in the gallbladder.
Inflammation of the gallbladder.

Documentation Best Practices

Documentation Checklist
  • Document stone size and location in CBD.
  • Record symptoms (e.g., jaundice, pain).
  • Note any procedures, like ERCP.
  • Include imaging findings (ultrasound, CT).
  • Specify management plan (e.g., surgery).

Coding and Audit Risks

Common Risks
  • Unconfirmed Stone Location

    Coding requires specific documentation confirming the stone is in the common bile duct, not just the gallbladder or cystic duct. Missing documentation leads to coding errors.

  • Residual Stone Post-ERCP

    Post-ERCP documentation must clearly state if any stones remain. Inaccurate coding impacts reimbursement and quality metrics.

  • Primary vs. Secondary Diagnosis

    Incorrect sequencing of choledocholithiasis as primary or secondary diagnosis can impact DRG assignment and reimbursement. Proper documentation is crucial.

Mitigation Tips

Best Practices
  • Document stone size, location, and etiology for accurate ICD-10-CM coding (K80.5).
  • Capture ERCP details for procedural coding (43264) and CDI.
  • Ensure operative reports specify complete stone removal for compliant billing.
  • Monitor liver function tests for complications and justify extended LOS.
  • Timely post-op cholecystectomy documentation supports medical necessity.

Clinical Decision Support

Checklist
  • Verify RUQ pain, jaundice, or fever documented.
  • Check LFTs: elevated bilirubin, ALP, GGT.
  • Review imaging: US, MRCP, or ERCP findings.
  • Confirm CBD stone visualization on imaging report.

Reimbursement and Quality Metrics

Impact Summary
  • Impact: Higher reimbursement with accurate ICD-10-CM coding (K80.5)
  • Impact: Quality reporting impacts surgical outcomes, resource use
  • Impact: Coding validation crucial for accurate APR-DRG assignment
  • Impact: Denials reduced with proper documentation of CBD stone diagnosis

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective diagnostic imaging modalities for differentiating between common bile duct stones (choledocholithiasis) and other causes of biliary obstruction in a patient presenting with right upper quadrant pain?

A: While right upper quadrant pain is a common symptom in biliary obstruction, differentiating between common bile duct stones (choledocholithiasis) and other causes requires specific imaging modalities. Magnetic Resonance Cholangiopancreatography (MRCP) is highly sensitive and specific for detecting CBD stones and is often considered the first-line imaging test. Endoscopic ultrasound (EUS) offers high sensitivity and allows for tissue sampling if needed, which can be valuable in evaluating potential malignancies. For patients with contraindications to MRCP or EUS, computed tomography (CT) can be utilized, but its sensitivity for detecting small stones is lower. Choosing the appropriate imaging modality requires careful consideration of patient-specific factors and clinical suspicion. Explore how integrating these imaging modalities can optimize your diagnostic approach to biliary obstruction.

Q: How should I manage a patient with confirmed choledocholithiasis and acute cholangitis who is also presenting with elevated liver function tests and fever?

A: Managing a patient with confirmed common bile duct stones (choledocholithiasis) and acute cholangitis presenting with elevated liver function tests and fever requires a multi-faceted approach. Stabilization of the patient with fluid resuscitation and broad-spectrum antibiotics is the initial priority. Biliary drainage is crucial for source control of the infection and can be achieved through endoscopic retrograde cholangiopancreatography (ERCP) with sphincterotomy and stone extraction. If ERCP is unavailable or unsuccessful, percutaneous transhepatic cholangiography (PTC) can provide temporary drainage. The severity of the cholangitis and the patient's overall condition will guide the timing and choice of intervention. Consider implementing standardized protocols for early identification and management of acute cholangitis in your practice.

Quick Tips

Practical Coding Tips
  • Code K80.50 for CBD stone
  • Document stone location
  • Query physician for clarity
  • Check for cholecystectomy code
  • Review op report for details

Documentation Templates

Patient presents with symptoms suggestive of common bile duct obstruction, including right upper quadrant pain, jaundice, and possible fever.  Differential diagnosis includes choledocholithiasis, biliary colic, cholangitis, cholecystitis, and pancreatitis.  Physical examination reveals tenderness in the right upper quadrant.  Laboratory findings demonstrate elevated alkaline phosphatase, bilirubin, and possibly elevated liver enzymes (AST, ALT).  Abdominal ultrasound may show dilated common bile duct.  Magnetic resonance cholangiopancreatography (MRCP) or endoscopic retrograde cholangiopancreatography (ERCP) is indicated for definitive diagnosis of common bile duct stones (CBD stones).  Treatment plan for choledocholithiasis typically involves endoscopic stone removal via ERCP.  If ERCP is unsuccessful or contraindicated, alternative options such as percutaneous transhepatic cholangiography (PTC) or surgical intervention may be considered.  Patient education provided on the importance of follow-up care and potential complications, including recurrent stones, cholangitis, and pancreatitis.  ICD-10 code K80.5 (Calculus of common bile duct with cholangitis) or K80.8 (Other calculus of bile duct) may be appropriate depending on the presence of cholangitis.  CPT codes for diagnostic and therapeutic procedures, such as ERCP (43260) or MRCP (74183), will be determined based on the specific interventions performed.