K81 Cholecystitis

Name of the Condition

• Cholecystitis (ICD-10-CM Code: K81)

Summary

Cholecystitis is the inflammation of the gallbladder, a small organ that stores bile. It can be acute (sudden onset) or chronic (long-term), often resulting from gallstones blocking the cystic duct. Symptoms typically include abdominal pain and may require medical or surgical intervention.

Causes

The most common cause of cholecystitis is gallstones obstructing the cystic duct, leading to bile buildup and inflammation. Other causes include bile duct blockages from tumors, infections, or severe illness, which disrupt normal bile flow and trigger inflammation.

Risk Factors

• Gallstones (cholelithiasis)
• Female gender
• Obesity
• Age over 40
• Rapid weight loss
• Diabetes
• Certain ethnic backgrounds (e.g., Native American)

Symptoms

• Persistent pain in the upper right abdomen
• Pain radiating to the right shoulder or back
• Nausea and vomiting
• Fever or chills
• Tenderness when the abdomen is touched

Diagnosis

Diagnosis involves a physical exam, imaging (e.g., ultrasound) to detect gallstones or inflammation, and blood tests to check for infection or elevated liver enzymes. Additional tests like a HIDA scan may evaluate gallbladder function.

Treatment Options

• Antibiotics for infection
• Pain relief medications
• Dietary changes (e.g., low-fat diet)
• Surgical removal of the gallbladder (cholecystectomy) for severe or recurrent cases

Prognosis and Follow-Up

With treatment, most patients recover fully. Chronic cholecystitis may require ongoing management, and follow-up ensures no complications develop. Gallbladder removal often resolves symptoms long-term.

Complications

• Gallbladder rupture or perforation
• Infection spreading to the abdomen (peritonitis)
• Bile duct injury or blockage
• Pancreatitis (inflammation of the pancreas)

Lifestyle & Prevention

• Maintain a healthy weight
• Avoid rapid weight loss
• Limit fatty or fried foods
• Stay hydrated
• Regular exercise

When to Seek Professional Help

Seek immediate care for severe abdominal pain, fever, or jaundice (yellowing of the skin/eyes). These may indicate a serious complication requiring urgent treatment.

Tips for Medical Coders

Document the clinical presentation (acute vs. chronic) and any confirmed gallstones or complications. Ensure specificity in the medical record to support accurate coding. Note if cholecystitis is due to gallstones or other causes for proper code assignment.