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HelpTest Code HPYL Helicobacter pylori Antigen, Feces
Clinical Indications
Aid in the diagnosis of Helicobacter pylori infections and monitor the eradication of H. pylori stool antigen following therapy
Additional Test Codes
Epic Order Code: H PYLORI AG,
FECES
Sunquest Order Code: HPYL
Px Order Code: LAB7070
Specimen Collection Type
Raw stool in sterile container
Bristol stool types 1-6
Minimum Collection Volume
Pea size
Reference Range
Negative
Critical Value
N/A
Interpretation
Positive results indicate the presence of Helicobacter
pylori antigen in the stool.
Negative results indicate the absence of detectable antigen, but do
not eliminate the possibility of infection due to Helicobacter
pylori.
Antimicrobials, proton pump inhibitors and bismuth preparations are
known to suppress
H. pylori, and ingestion of these prior to H. pylori
testing may cause falsely negative results.
Rejection Criteria
Watery stool (Bristol stool type 7)
Stool in preservative
Stool on swab
Stool contaminated with urine
Specimen Availability for Add-on Testing
4 hours
Specimen Stability
2 hours at room temperature
3 days at 2-8°C
Day(s) Performed
Monday through Sunday
Performing Lab - Department
TUKHS-BH-Microbiology
CPT Code
87338
LOINC Code
17780-8
Test Alias
Helicobacter pylori (Campylobacter pylori)