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ICD-10 Guide
ICD-10 CodesK80.0

K80.0

Non-billable

Calculus of gallbladder with acute cholecystitis

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K80.0 is a used to indicate a diagnosis of calculus of gallbladder with acute cholecystitis.

Key Diagnostic Point:

K80.0 refers to the presence of gallstones (calculi) in the gallbladder accompanied by acute cholecystitis, which is an inflammation of the gallbladder. The gallbladder is a small organ located beneath the liver, responsible for storing bile, a digestive fluid produced by the liver. When gallstones obstruct the cystic duct, bile accumulates, leading to increased pressure and inflammation. Clinically, patients may present with severe abdominal pain, particularly in the right upper quadrant, fever, nausea, and vomiting. The disease can progress rapidly, potentially leading to complications such as perforation, abscess formation, or pancreatitis. Diagnosis typically involves imaging studies such as ultrasound or CT scans, which can visualize gallstones and assess gallbladder inflammation. Laboratory tests may reveal elevated liver enzymes, bilirubin, and white blood cell counts, indicating infection or obstruction. Early diagnosis and treatment are crucial to prevent serious complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and lab tests to confirm
  • Treatment complexity: May involve surgical intervention (cholecystectomy)
  • Documentation requirements: Detailed clinical notes and imaging results needed
  • Coding specificity: Must differentiate between acute and chronic conditions

Audit Risk Factors

  • Common coding errors: Misclassification of acute vs. chronic cholecystitis
  • Documentation gaps: Incomplete clinical notes regarding symptoms and imaging
  • Billing challenges: Denials due to lack of supporting documentation for acute diagnosis

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

General Surgery

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of K80.0 lies in its potential to lead to serious complications if not treated promptly. It affects a substantial portion of the population, particularly those with risk factors such as obesity and high-fat diets. Understanding the epidemiology of gallbladder disease can help healthcare providers implement preventive measures and improve patient outcomes. Quality measures related to timely diagnosis and treatment of acute cholecystitis are crucial for reducing healthcare utilization and improving overall population health.

ICD-9 vs ICD-10

The clinical significance of K80.0 lies in its potential to lead to serious complications if not treated promptly. It affects a substantial portion of the population, particularly those with risk factors such as obesity and high-fat diets. Understanding the epidemiology of gallbladder disease can help healthcare providers implement preventive measures and improve patient outcomes. Quality measures related to timely diagnosis and treatment of acute cholecystitis are crucial for reducing healthcare utilization and improving overall population health.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the necessity for surgical intervention. Common denials may arise from insufficient documentation supporting the diagnosis of acute cholecystitis. It is essential to ensure that all clinical notes are complete and that the coding accurately reflects the patient's condition to avoid billing challenges.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K80.0?

K80.0 specifically covers cases of gallbladder calculi that are associated with acute cholecystitis. This includes instances where gallstones cause inflammation and infection of the gallbladder, leading to acute symptoms.

When should K80.0 be used instead of related codes?

K80.0 should be used when there is clear evidence of acute cholecystitis due to gallstones. If the condition is chronic or if gallstones are present without inflammation, other codes such as K80.1 should be considered.

What documentation supports K80.0?

Documentation should include clinical findings such as abdominal pain, imaging results showing gallstones and gallbladder inflammation, laboratory results indicating infection, and any surgical notes if applicable.