H. pylori Antigen

Label Mnemonic:	HPYSTOOL
Epic code:	LAB4483
Supply order:	Supply Order Form
Billing:	Billing Policies
CPT code:	87338

Specimen(s):

Stool

Collection Medium:

Sterile Container

Minimum:

Preferred Minimum: 5 g stool in sterile screw top urine cup
Absolute Minimum: 1 g stool in sterile screw top urine cup

Rejection Criteria:

Gastric specimens, swabs or tissue. Specimens in media or preservatives.

Turn Around Time:

1-2 days upon receipt of specimen at ARUP reference laboratory

Reference Range:

Negative

Test Limitations:

Patient preparation: To avoid false negative results, no antibiotics, proton pump inhibitors, or a bismuth preparation should be administered to patient for 14 days prior to specimen collection.

Methodology:

Qualitative Enzyme Immunoassay

Instructions:

Transfer 5g (1g minimum) stool to a labeled sterile screw cap container (urine cup). Store and send specimen frozen. Note: Specimen is stable for ONLY 2 hours at room temperature.

Sample Storage:

Store frozen.

Transport Instructions:

Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed laboratory requisition (or packing list) into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.