Helicobacter pylori test Shankar-road

HELICOBACTER PYLORI TEST

DESCRIPTION – a lab test called stool polymerase chain reaction test can detect H. pylori infection in stool. The test can also identify mutations that may be resistant to antibiotics used to treat H. pylori

METHODOLOGY – qualitative enzyme immunoassay

TURN AROUND TIME – within 48 hours

SPECIMEN REQUIERED –

PATIENT PREPARATION – to avoid false negative results, no antibiotics, proton pump inhibitors, or a bismuth preparation should be administered to patient 14 days prior to specimen collection

COLLECT – stool

SPECIMEN PREPARATION – transfer 4g stool to a transport tube

STORAGE/TRANSPORT TEMPERATURE – frozen

STABILITY – ambient: 4 days; refrigerated: 4 days; frozen: 1 month

UNACCEPTABLE CONDITION – gastric specimens, swabs or tissue. Specimens in media or preservatives

SPECIAL INSTRUCTIONS – clinical history is mandatory