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Helicobacter pylori - CLO Test®
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
CLO
CPT Codes
87338
Instructions
1. Patient should not have taken antibiotics or bismuth salts several weeks prior to endoscopy. When these are used in suboptimal therapy, they can suppress but not eliminate Helicobacter pylori organisms. 2. Patient should not have received proton pump inhibitor omeprazole prior to test as this drug has been shown to have a bactericidal effect on the organism. 3. Because of the patchy nature of Helicobacter pylori infection, it is generally recommended that 2 specimens be obtained from each patient, 1 from the immediate prepyloric area and a second from the proximal antrum on the lesser curvature. Biopsies should be obtained from normal appearing mucosa as eroded or ulcerated mucosa may have fewer organisms. 4. Obtain a 2-3 mm diameter gastric mucosal biopsy. 5. After collection, place specimen immediately into gel of CLOTest® device. 6. Label device with patient’s full name, medical record number, date and actual time of collection. 7. Transport immediately to laboratory.
Transport Container
CLOTest® Collection Slide
Transport Temperature
Ambient
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen received more than 20 minutes after collection.
Methodology
Enzyme Detection
Reference Range
Negative
Clinical Significance
Useful for the detection of the urease enzyme of Helicobacter pylori from gastric mucosal biopsy specimens.
Last Updated: February 16, 2011