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K80.00
ICD-10-CM
Acute Calculous Cholecystitis

Understanding Acute Calculous Cholecystitis, also known as Gallbladder Inflammation with Stones or Acute Gallstone Cholecystitis, is crucial for accurate clinical documentation and medical coding. This page provides information on diagnosis, symptoms, and treatment of Acute Calculous Cholecystitis, supporting healthcare professionals in proper coding and documentation practices. Learn about the latest guidelines for managing Gallbladder Inflammation with Stones and Acute Gallstone Cholecystitis to ensure optimal patient care.

Also known as

Gallbladder Inflammation with Stones
Acute Gallstone Cholecystitis

Diagnosis Snapshot

Key Facts
  • Definition : Sudden inflammation of the gallbladder due to gallstones.
  • Clinical Signs : Right upper abdominal pain, fever, nausea, vomiting, tenderness.
  • Common Settings : Emergency room, hospital admission, surgical consultation.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K80.00 Coding
K80-K87

Diseases of the gallbladder, biliary tract

Covers gallbladder inflammation, stones, and bile duct issues.

K80

Cholecystitis

Specifically relates to inflammation of the gallbladder.

K80.0-K80.2

Acute Cholecystitis

Covers various forms of acute gallbladder inflammation.

Code-Specific Guidance

Decision Tree for

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

Is the cholecystitis acute?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Gallbladder inflammation with stones
Gallbladder inflammation without stones
Chronic gallbladder inflammation

Documentation Best Practices

Documentation Checklist
  • Document Murphy's sign presence/absence.
  • Specify gallstone location (cystic duct, common bile duct).
  • Describe ultrasound findings: wall thickness, stones.
  • Record patient's pain level and characteristics.
  • Note any labs indicative of cholecystitis (e.g., WBC).

Coding and Audit Risks

Common Risks
  • Unspecified Cholecystitis

    Coding acute cholecystitis without specifying the calculous nature can lead to lower reimbursement and inaccurate reporting. Use K80.00.

  • Biliary Dyskinesia Misdiagnosis

    Overlapping symptoms with biliary dyskinesia (K83.8) can result in incorrect coding if not properly documented and distinguished.

  • Cholecystitis with Cholangitis

    Missing documentation of concurrent cholangitis (K80.01 for calculous) can impact severity and appropriate DRG assignment.

Mitigation Tips

Best Practices
  • Document stone location, size, and number for accurate ICD-10 coding (K80.0).
  • Capture cholecystitis symptoms (e.g., Murphy's sign) for CDI and specificity.
  • Order appropriate imaging (ultrasound, CT) to support diagnosis and justify medical necessity.
  • Record symptom duration and severity for proper HCC coding and risk adjustment.
  • Ensure timely surgical consult documentation for compliance and patient safety.

Clinical Decision Support

Checklist
  • Verify RUQ pain, nausea/vomiting documented
  • Confirm Murphy's sign or sonographic findings
  • Check WBC, LFTs for inflammatory markers
  • Document gallstone visualization (if present)

Reimbursement and Quality Metrics

Impact Summary
  • Acute Calculous Cholecystitis reimbursement hinges on accurate ICD-10-CM coding (K80.00-K80.2) and timely claim submission.
  • Quality metrics impacted: Cholecystectomy rate, post-op complication rate, length of stay. Coding accuracy crucial for performance reporting.
  • Proper documentation of severity and comorbidities (e.g., cholangitis) impacts MS-DRG assignment and reimbursement levels.
  • Timely surgical intervention for Acute Calculous Cholecystitis improves quality scores and reduces hospital readmissions.

Streamline Your Medical Coding

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

Frequently Asked Questions

Common Questions and Answers

Q: What are the most reliable diagnostic imaging modalities for differentiating acute calculous cholecystitis from other causes of right upper quadrant pain in a patient with suspected gallstones?

A: While physical examination and laboratory findings are important, imaging plays a crucial role in confirming acute calculous cholecystitis and differentiating it from other conditions like biliary colic, acute pancreatitis, or hepatic abscess. Ultrasound is often the first-line imaging modality, offering high sensitivity for detecting gallstones and signs of gallbladder inflammation such as wall thickening, pericholecystic fluid, and a positive sonographic Murphy's sign. However, in cases where the diagnosis remains uncertain, cholescintigraphy (HIDA scan) offers superior specificity for demonstrating cystic duct obstruction, a hallmark of acute cholecystitis. Computed tomography (CT) scan can be helpful in identifying complications such as perforation or gangrene but may be less sensitive than ultrasound for detecting gallstones. Consider implementing a diagnostic algorithm that prioritizes ultrasound initially, followed by cholescintigraphy if needed, reserving CT for suspected complications. Explore how integrating these imaging modalities can improve diagnostic accuracy and patient management decisions.

Q: How do I manage a patient with acute calculous cholecystitis who presents with severe comorbidities that increase their surgical risk?

A: Managing acute calculous cholecystitis in patients with significant comorbidities requires a careful assessment of the risks and benefits of surgical intervention versus non-operative management. For high-risk patients, initial management often focuses on stabilizing the patient with intravenous fluids, pain control, and antibiotics. Percutaneous cholecystostomy tube placement can be considered as a temporizing measure to decompress the gallbladder and alleviate symptoms, allowing time for optimization of comorbidities before surgery. Non-operative management with antibiotics alone may be considered in select cases where surgery is deemed too risky, but this approach carries a higher risk of recurrent cholecystitis. Consult with a surgeon and anesthesiologist to thoroughly evaluate the patient's surgical risk and determine the most appropriate course of action, weighing the potential benefits of cholecystectomy against the increased perioperative risks. Learn more about evidence-based guidelines for managing acute cholecystitis in high-risk patients.

Quick Tips

Practical Coding Tips
  • Code K80.00 for ACC
  • Document stone location
  • Query physician for clarity
  • Review op report for details

Documentation Templates

Patient presents with acute right upper quadrant pain consistent with acute calculous cholecystitis.  Symptoms include severe biliary colic, nausea, vomiting, and positive Murphy's sign.  Onset of pain was sudden and described as sharp and radiating to the right shoulder.  Patient reports a history of intermittent episodes of biliary colic suggestive of chronic cholecystitis.  Physical examination reveals tenderness in the right upper quadrant with guarding.  Laboratory findings demonstrate elevated white blood cell count and elevated liver function tests, including alkaline phosphatase and bilirubin, indicative of biliary obstruction and inflammation.  Ultrasound imaging of the gallbladder reveals the presence of gallstones and gallbladder wall thickening, confirming the diagnosis of acute calculous cholecystitis.  Differential diagnoses considered included pancreatitis, peptic ulcer disease, and appendicitis.  The patient's clinical presentation, laboratory results, and imaging findings support the diagnosis of acute calculous cholecystitis.  Plan of care includes intravenous fluids, pain management with analgesics, and a surgical consult for possible cholecystectomy.  Patient education provided on gallbladder disease, surgical options, and postoperative care.  ICD-10 code K80.00, Acute calculous cholecystitis without obstruction, and CPT codes for ultrasound, laboratory tests, and surgical consultation will be documented for medical billing and coding purposes.  The patient's condition and treatment plan will be closely monitored.