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St. John Health System
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Helicobacter pylori Antigen Detection Stool

Order Name HPYLORI AG
Test Number: 3502325
Revision Date 09/21/2022
Test Name Methodology LOINC Code
Helicobacter pylori Antigen Detection Stool
Immunoassay (IA) 80373-4 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5g (1) Stool, Random Stool specimen container Refrigerated
Instructions 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.

Transfer 5g(1g) stool to an unpreserved stool transport vial and Freeze.
Unacceptable Conditions: Gastric specimens, swabs or tissue. Specimens in media or preservatives.
Stability: Ambient: 2 hours; Refrigerated: 72 hours; Frozen: 1 month.
GENERAL INFORMATION
Testing Schedule Sun-Sat  
Expected TAT 2 Days 
CPT Code(s) 87338
Internal Comments LOINC 17780-8 ADDED 6/1/15
11/14/16- WE moved inhouse change from Qualitative Enzyme Immunoassay to immunoassay loinc changed from 17780-8 to 80373-4  - JK
8/1/17 changed to Frozen only because people cant handle the Refrigerated or Frozen verbiage when the specimen has a 72hr refrigerated stability, and the stool may need to be shared but now it will not be able to.. -JK
09/21/22 Changed transport to Refrigerated
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Microbiology