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Digestive System Tests

Thank you for shopping our Digestive Systems Tests. The digestive system, also known as the gastrointestinal system, is a complex set of organs that transport and process the food we eat and transform it into energy for our metabolism to consume. Digestive system tests can help determine whether or not this essential system is working properly and diagnose problems or gastrointestinal disorders of the pancreas, intestine, colon and liver. Order a digestive system blood test today to ensure optimal digestive health of your gastrointestinal tract!

Browse Digestive System Tests Subcategories

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Home Test Kits

Walk-In Lab is contracted with LabCorp (LC) and Quest Diagnostics (QD) for routine lab testing. Please choose LC or QD to complete your order. If you prefer to receive a kit by mail for specimen collection, please see our Home Test Kits. LC and QD tests must be ordered separately.

LabCorp: Online lab testing is prohibited in MA, MD, NY, NJ and RI.

Quest Diagnostics: Online lab testing is prohibited in NY, NJ and RI.

  • Hepatic Function (Liver) Panel Blood Test

    The Hepatic Function Panel (7) Blood Test is a liver function test that may be useful in screening for liver disease and liver damage.
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  • Liver Profile #1 Baseline Blood Test Panel

    A Liver Profile #1 Baseline Blood Test Panel includes: Hepatic-7 panel, Gamma-Glutamyl Transferase (GGT), Lactic acid dehydrogenase (LDH), and Total Cholesterol.
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  • Carcinoembryonic Antigen (CEA) Blood Test

    This CEA Blood Test measures the protein in the blood called carcinoembryonic antigen (CEA). This protein can be found on some cancer cell types. 
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  • Lipase Serum Test

    The Lipase Serum Test monitors pancreatic functions.
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  • Anemia #1 Baseline Blood Test Panel

    An Anemia #1 Baseline Blood Test Panel includes an Iron w/TIBC, Ferritin and Transferrin.
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  • Amylase Serum Test

    An amylase serum test is used to diagnose pancreatitis or other pancreatic diseases.
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  • Hepatitis C Antibody Blood Test

    A Hepatitis C Antibody Blood Test is used to assess exposure to Hepatitis C virus infection and tests blood safety.
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  • Hepatitis B Surface Antibody Blood Test, Quantitativ...

    A Hepatitis B Surface Antibody Blood Test, Quantitative or HBsAB evaluates possible immunity in individuals who are at increased risks for exposure to Hepatitis B.
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  • Gluten Blood Test

    The gluten allergy IgE blood test measures the amount of allergen-specific IgE antibodies in the blood to detect an allergy to gluten.
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  • Gamma-Glutamyl Transferase (GGT) Blood Test

    A GGT test aids in detecting liver and bile duct injury.
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  • Ova and Parasites Examination Stool Test

    The Ova and Parasites Examination Stool Test is used to establish the diagnosis of parasitic infestation. Concentration of material and examination of specimen for ova and parasites by conventional iodine/saline and trichrome staining. This will not detect Cryptosporidium, Cyclospora cayetanensis, or Microsporidium.
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  • Candida Antibodies Blood Test, IgA, IgG, and IgM, EL...

    The Candida Antibodies Blood Test is used in the detection of IgG, IgA, and IgM antibodies to Candida albicans.
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  • Ammonia Plasma Test

    This ammonia plasma test measures the amount of Ammonia in the blood, a compound produced by intestinal bacteria, and by cells in the body during the digestion of protein.
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  • C-Peptide Serum Test

    The C-Peptide Serum Test helps determines how much insulin the pancreas is producing.
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  • Hepatitis B Surface Antigen Blood Test

    Hepatitis B Surface Antigen Blood Test earliest indicator of the presence of acute infection.
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  • Helicobacter pylori ( H. Pylori) Antigen Stool Test

    This H. Pylori Antigen Stool Test establishes the presence and possible etiologic role of Helicobacter pylori in cases of chronic gastric ulcer, gastritis, duodenal ulcer, dyspepsia, etc.
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  • Hepatitis B Surface Antibody Blood Test, Qualitative

    The Hepatitis B Surface Antibody Blood Test, Qualitative is useful in the detection of previous exposure to HBV. 
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  • Occult Blood, Fecal, Immunoassay Test

    An occult blood, fecal, immunoassay test is the qualitative detection of fecal occult blood.
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  • Tissue Transglutaminase (tTG) Blood Test, IgA

    A tTG blood test detects antibodies to aid in the diagnosis of gluten-sensitive enteropathy (GSE), such as celiac disease and dermatitis herpetiformis.
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  • Helicobacter pylori (H. pylori) UREA Breath Test

    The urea breath test can be used to aid in the diagnosis of H pylori infection. The test can also be used to assess therapy when it is administered more than a month after completion of therapy.
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  • Transferrin Blood Test

    The Transferrin Blood Test is used to assess the body's ability to bind and transport iron in the blood and monitor liver function or nutritional status
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  • Gliadin Antibody Profile Blood Test, IgA and IgG

    A Gliadin Antibody Profile Blood Test, IgA and IgG is used in the detection of gliadin antibodies aids in the diagnosis and monitoring of certain gluten-sensitive enteropathies, such as celiac disease and dermatitis herpetiformis.
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  • Hepatitis C Antibody Blood Test with Reflex on Posit...

    Assess exposure to hepatitis C virus infection and tests blood safety.
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  • Stool Culture Test

    A Stool Culture Test detects the presence of disease causing bacterial organisms including Salmonella, Shigella, Campylobacter, and Enterohemorrhagic E coli in the stool and aid in the diagnosis of Typhoid Fever, Enteric Fever, Bacillary Dysentery, and Salmonella infection.
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  • Beta 2 Microglobulin Serum Test

    A beta 2 microglobulin serum test evaluates the severity and prognosis of multiple myeloma, chronic lymphocytic leukemia, or non-Hodgkin's lymphoma; detects kidney damage and distinguishes between glomerular and tubular kidney disorders.
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  • Alpha-1 Antitrypsin Blood Test

    An alpha-1 antitrypsin blood test is integral in defining the cause of early-onset emphysema and liver dysfunction.
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  • Toxic Metals 24-Hour Urine -Doctor's Data Test Kit

    The Urine Toxic Metals profile is a complete assessment of urine metal excretion. This test is useful for anyone undergoing heavy metal detoxification therapy, or who wants to assess current heavy metal exposure. Doctors often use this test for excretion of heavy metals via heavy metal detoxification therapy.
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  • Liver Profile #3 Extreme Blood Test Panel

    A Liver Profile #3 Extreme Blood Test Panel includes Hepatic-7 Panel + GGT, LDH, Total Cholesterol plus PT, CBC's, AFP, and Ferritin, plus Acute Hepatitis Panel.
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  • Comprehensive Stool Analysis plus Parasitology x3 (C...

    This CDSA/P test is performed to identify abnormal intestinal microflora, but does not directly assess abnormal digestion/absorption, inflammation or other specific aspects of gastrointestinal health.
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  • Toxic Metals Random Urine - Doctor's Data Test Kit

    The Urine Toxic Metals profile is a complete assessment of urine metal excretion. This test is useful for anyone undergoing heavy metal detoxification therapy, or who wants to assess current heavy metal exposure. Doctors often use this test for excretion of heavy metals via heavy metal detoxification therapy.
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  • Celiac Disease Comprehensive Antibody Profile Blood ...

    The celiac disease comprehensive antibody profile blood test aids in the diagnosis of gluten-sensitive enteropathies, a disease of the intestinal tract.
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  • Parasite Examination (Malaria) Blood Test

    A parasite examination blood test is used to establish the diagnosis of plasmodium or other parasitic infection; diagnose malarial parasitic infestation of blood; evaluate febrile disease of unknown origin.
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  • Gastrin Blood Test

    The Gastrin Blood Test is used to detect an overproduction of gastrin, to help diagnose Zollinger-Ellison syndrome and G-cell hyperplasia, and to monitor for recurrence of a gastrin-producing tumor (gastrinoma).
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  • Giardia Lamblia Stool Test, EIA

    The Giardia Lamblia Stool Test, EIA is used in the Rapid detection of the Giardia lamblia parasite.
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  • Helicobacter pylori (H. pylori) Antibodies Blood Tes...

    The H. pylori antibodies blood test aids in the diagnosis of acute and chronic H. pylori infections in patients with gastric and duodenal disease.
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  • Calprotectin Stool Test

    A calprotectin stool test is used to diagnose inflammatory bowel disease (IBD), including Chron's disease and ulcerative colitis, or to differentiate IBD from irritable bowel syndrome (IBS).
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  • Hepatitis B Core Antibody Blood Test, IgM

    A Hepatitis B Core Antibody Blood Test, IgM, measures HBcAb which is an antibody produced in response to the core-antigen, a component of the Hepatitis B virus.
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  • Hepatitis C Virus (HCV) Blood Test, Quantitative, Re...

    A HCV Blood Test is used to determine the number of international units (IU) of hepatitis C virus (HCV) RNA per milliliter serum or plasma in known HCV-positive patients.
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  • Potassium Blood Test, RBC

    The Potassium Blood Test, RBC provides a measurement of intracellular Potassium levels which can indicate deficiency sooner than an ordinary blood test.
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  • Prealbumin Blood Test

    This Prealbumin Blood Test evaluates protein malnutrition, total parenteral nutrition, and liver dysfunction.
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  • Casein Allergy Blood Test, IgE

    The Casein Allergy Test is qualitative allergen specific IgE blood test to determine if you are suffering from a hypersensitivity to Casein, the main protein in milk.
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  • Inflammatory Bowel Disease (IBD) Profile Blood Test

    The IBD blood test is used to rule out Crohn's disease and ulcerative colitis.
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  • Clostridium difficile Toxin B Stool Test, Qualitativ...

    The clostridium difficile toxin B stool test is useful in diagnosing clostridium difficile toxin B.
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  • Hepatitis A Antibody Blood Test, Total

    A Hepatitis A Antibody Blood Test total measures both IgG and IgM forms of the antibodies associated with Hepatitis A. Although the test measures both IgG and IgM antibodies looking for past and recent exposure, test results report a total and do not differentiate between the two forms.
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  • Urine Toxic and Essential Elements Test Kit - Doctor...

    The Urine Toxic and Essential Elements Test Kit reports 20 toxic elements and 18 nutritional elements in the urine. Assessment of toxic metal retention and essential element status. Monitors detoxification therapy
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  • Candida Antibodies Blood Test, IgG, ELISA

    This Candida Antibodies Blood Test is used in the detection of IgG antibodies to Candida albicans
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  • Celiac Disease Profile Blood Test

    A celiac disease profile blood test aids in the diagnosis of gluten-sensitive enteropathies, a disease of the intestinal tract.
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  • Oxalate Urine Test, Quantitative, 24-Hour

    That Oxalate Urine Test looks for the presence of certain toxic substances in the intestinal tract.
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  • Celiac Disease HLA DQ Association Blood Test

    The celiac disease HLA DQ association blood test is used in support of the diagnosis of celiac disease.
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  • White Blood Cells (WBC) Stool Test

    A WBC test or fecal leukocytes stain is ordered to assist in differential diagnosis of diarrheal disease and looks for white blood cells in stool.
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  • Ova and Parasites, Concentrate and Permanent Smear, ...

    This Ova and Parasite Stool Test is used to establish the diagnosis of parasitic infestation. Concentration of material and examination of specimen for ova and parasites by conventional iodine/saline and trichrome staining. This will not detect Cryptosporidium, Cyclospora cayetanensis, or Microsporidium.
    More Info

  • Comprehensive Stool Analysis (CDSA) - Doctor's Data ...

    This CDSA test is performed to identify abnormal intestinal microflora but does not directly assess abnormal digestion/absorption, inflammation or other specific aspects of gastrointestinal health.
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  • Amylase Urine Test, Random

    Amylase urine test, random is used to diagnose pancreatitis or other pancreatic diseases.
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  • Helicobacter pylori (H. pylori) Antibodies Blood Tes...

    A Helicobacter pylori (H. pylori) Antibodies Blood Test, IgA is used to diagnose H pylori infection in patients with duodenal disease and for monitoring the eradication of H pylori following antimicrobial therapy; identify the small percentage of H pylori-infected patients who fail to mount a systemic IgG response and demonstrate IgA antibodies only and for those patients who have chronic mucosal infections.
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  • Liver-Kidney Microsomal (LKM) Antibodies Serum Test

    The liver-kidney microsomal (LKM) antibodies serum test is used in the detection of LKM-1 antibodies is an aid in the diagnosis of autoimmune hepatitis, type 2 (AIH-2).
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  • Trypsin Serum Test

    A trypsin serum test is used to screen for pancreatic insufficiency.
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  • Hepatitis Be Antigen Blood Test

    A Hepatitis Be Antigen Blood Test is a differential diagnosis, staging, and prognosis of hepatitis B infection.
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  • Celiac Disease Profile II Blood Test

    A celiac disease profile II blood test aids in the diagnosis of gluten-sensitive enteropathies, a disease of the intestinal tract.
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  • Gastrointestinal (GI) Effects Comprehensive Stool Pr...

    The GI Effects Comprehensive Stool Profile is the stool test of choice for optimizing clinical value in managing gut health.
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  • Red Blood Cell (RBC) Elements Blood Test - Doctor's ...

    A RBC Elements Blood Test provides a reliable means of identifying short-term toxic element exposure and evaluating intracellular mineral nutrient status. Results help to quickly pinpoint imbalances underlying conditions such as chronic fatigue, depression, ADHD, and cardiovascular disease.  Note: This is a pre-paid shipping test kit that will be mailed and it requires a blood draw. Please Click Here to locate a lab for specimen collection.
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  • Fecal Fat Stool Test, Qualitative

    A fecal fat stool test, qualitative is useful in determining the presence or absence of excess fat in the stool. 
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  • Magnesium Urine Test, 24-Hour

    The Magnesium Urine Test measures the amount of magnesium (an electrolyte) in urine collected over 24 hours.  This test is used to evaluate and manage electrolyte problems in the body.
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  • Hepatitis B Core Antibody Differentiation Blood Test...

    The Hepatitis B Core Antibody Differentiation Blood Test, IgG and IgM assesses Hepatitis B virus infection.
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  • Hepatitis Be Antibody Blood Test

    The hepatitis Be antibody blood test is a differential diagnosis, staging, and prognosis of hepatitis B infection.
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  • Saccharomyces cerevisiae Antibodies (ASCA) (IgG) Ser...

    A Saccharomyces cerevisiae Antibodies Serum Test is intended to aid in the diagnosis of patients with Crohn's disease.
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  • Endomysial Antibody Blood Test, IgA

    Tissue transglutaminase is the autoantigen recognized by endomysial antibody in celiac disease.
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  • ION Profile with 40 Amino Acids, Blood and Urine - G...

    The ION Profile with 40 Amino Acids is an advanced nutritional analysis that offers insight into imbalances that may precede abnormal findings on standard laboratory evaluations. Note: This is a pre-paid shipping test kit that will be mailed and it requires a blood draw. Please Click Here to locate a lab for specimen collection.
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  • Helicobacter pylori (H. pylori) Antibodies Blood Tes...

    The Helicobacter pylori (H. pylori) Antibodies Blood Test, IgM, is used to diagnose early H pylori infection in patients with gastric and duodenal disease.
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  • NutrEval Plasma and Urine Test Plus Vitamin D - GENO...

    NutrEval FMV® provides a framework of core nutrients in 5 key areas: Antioxidants, B Vitamins, Digestive Support, Essential Fatty Acids, and Minerals plus Vitamin D.  Note: This is a pre-paid shipping test kit that will be mailed and it requires a blood draw. Please Click Here to locate a lab for specimen collection.
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  • GI360™ Profile, Stool - Doctor's Data Test Kit

    The GI360™ can identify the presence of pathogenic viruses, bacteria, and parasites using multiplexed, real-time PCR.
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  • Whole Blood Elements Kit - Doctor's Data Kit

    The Whole Blood Elements Kit is an assessment of element levels in whole blood is a valuable tool for identification of dietary adequacy, gastrointestinal, renal and endocrine functions, and excess or deficiency conditions.  Note: This is a pre-paid shipping test kit that will be mailed and it requires a blood draw. Please Click Here to locate a lab for specimen collection.
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  • Amino Acids 24-Hour Urine - Doctor's Data Test Kit

    The amino acid (AA) 24-hour urine aids in the identification of dietary protein adequacy and amino acid balance, gastrointestinal dysfunctions, forms of protein intolerance, vitamin and mineral deficiencies, renal and hepatic dysfunction, psychiatric abnormalities, susceptibility to inflammatory response and oxidative stress, reduced detoxification capacity and many other inherent and acquired disorders in AA metabolism.
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  • GI Pathogen Profile, multiplex PCR Kit - Doctor's Da...

    The GI Pathogen Profile, multiplex PCR Kit is used to test for the presence of viral infections or to differentiate between possible diarrheagenic strains of E. coli.
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  • CICA: Celiac, IBS, and Crohn's Full Array - ALCAT Te...

    The CICA evaluates a patient’s genetic risk for celiac disease, serum markers associated with active celiac disease process, and genetic serum markers associated with Crohn’s disease, and serological markers for diminished antigen exclusion in the gut.
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  • Amino Acids FMV - Doctor's Data Test Kit

    The amino acid (AA) FMV test aids in the identification of dietary protein adequacy and amino acid balance, gastrointestinal dysfunctions, forms of protein intolerance, vitamin and mineral deficiencies, renal and hepatic dysfunction, psychiatric abnormalities, susceptibility to inflammatory response and oxidative stress, reduced detoxification capacity and many other inherent and acquired disorders in AA metabolism.   
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  • GI360™ Essentials Profile, Stool - Doctor's Data T...

    The GI360™ essentials profile is an innovative, comprehensive, and clinically-applicable stool profile, utilizing multiplex PCR molecular technology coupled with growth-based culture and ID by MALDI-TOF, sensitive biochemical assays and microscopy to detect and assess the status of pathogens, viruses, parasites, and bacteria that may be contributing to acute or chronic gastrointestinal symptoms and disease.
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  • GI360™ Microbiome, Stool - Doctor's Data Test Kit

    The GI360™ microbiome profile is a gut microbiota DNA analysis tool that identifies and characterizes the abundance and diversity of more than 45 targeted analytes.
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