GI PCR Diagnostics

Gastrointestinal Testing in Texas — One Sample, the Full Picture

For digestive symptoms, stool-PCR testing checks bacterial, viral, and parasitic causes of infection from a single sample — with antibiotic-resistance detection to guide the right treatment.

Stool PCR gastrointestinal testing
GI PCR Panels

Panels & Individual Tests

The broad comprehensive screen, or a focused H. pylori panel.

Broadest Screen · Stool PCR

Comprehensive GI Panel

One sample, the full picture — the broadest screen for bacteria, viruses and parasites behind GI symptoms, with antibiotic-resistance detection across the panel (including H. pylori) to guide the right treatment.

Viral
Norovirus GI & GIIRotavirus AAdenovirus FAstrovirusSapovirus
Bacterial
Salmonella spp.Shigella spp./EIECCampylobacter spp.Yersinia enterocoliticaVibrio spp.Aeromonas spp.C. difficile (toxin B + hypervirulent strain)Shiga toxin (STEC)E. coli O157EPECETECEAEC
Parasitic
Giardia lambliaCryptosporidium spp.Entamoeba histolyticaBlastocystis hominisDientamoeba fragilisCyclospora cayetanensis

Antibiotic-resistance genes: NDM, KPC, OXA-48, VanA, VanB, CTX-M, VIM, IMP

Includes H. pylori with antibiotic-resistance mutations (A2143G, A2142G, A2142C).

Stool (PCR)CURRENT
$179
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Focused Individual Test
Stool (PCR)

H. pylori Panel

Detects H. pylori — the bacterium behind most stomach ulcers and chronic gastritis — with antibiotic-resistance mutations (A2143G, A2142G, A2142C) to guide treatment.

Collection Options

Choose How You Get Tested

Walk into a lab or have a professional come to you. Specimens are collected professionally and transported securely to our centralized laboratory.

Walk-In Collection

Visit our Houston or Dallas lab
$0
Collection Fee
on test orders of $100 or more
Orders under $100$15 collection fee
Professional collection
Fast turnaround
Two locations
Secure digital results

Book Mobile Lab Draw

A phlebotomist comes to you
Collection & Mileage Fees
FREE*
0 – 10 MI
Closest
most of the city
$50
10 – 25 MI
Nearby
metro suburbs
$100
25 – 50 MI
Extended
outer service area
*Free within 10 miles applies when your test order totals $100 or more. Otherwise a $50 collection & mileage fee is added.
Trained phlebotomist
Homes & facilities
Same lab quality
GI testing at Well Health Labs
Why Well Health Labs

Clearer Treatment When Symptoms Need Lab Confirmation

Well Health Labs' stool-PCR GI testing supports clearer treatment discussions by identifying the bacterial, viral, or parasitic cause — and resistance markers where they matter.

One-Sample ConvenienceBacteria, viruses, and parasites from a single stool sample.
Broad Pathogen CoverageThe broadest screen for common GI infections.
Resistance DetectionResistance markers, including H. pylori mutations.
Houston & Dallas CoverageTwo Texas locations plus mobile lab draw.

Partner With a Trusted GI Testing Lab

Well Health Labs supports providers across Texas with stool-PCR GI testing across bacterial, viral, and parasitic targets. Book online and choose your collection option during scheduling.

Mobile Diagnostics NetworkProfessional, secure specimen collection.
Patient ConfidentialityDiscreet handling at every step.
Consistent TurnaroundReliable results processed in our lab.