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Test Code LAB4315 Clotest

Test Performed By

Cayuga Medical Center, Main Laboratory

Container Name

Clotest device (or rapid urea medium)

Day(s) and Time(s) Test Performed

Monday through Sunday; Continuously

List Price

$53.00

CPT Codes

87077

Temperature

Ambient

Specimen Collection Instructions

Clotest device (or rapid urea medium) can be obtained from the laboratory. Keep device/medium refrigerated until the sample is collected. Keep specimen at room temperature after collection.

Clinical and Interpretive

Gastric antral biopsies can be tested for urease activity with the CLOTEST to determine whether Helicobacter pylori bacteria are present. The sensitivity of biopsy urease tests is approximately 90-95% and the specificity is 95-100%.

Antisecretory therapy may diminish numbers of bacteria and cause false negative urease tests.