Digestive System 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
Choose One Lab: LABCORP (LC) or QUEST (QD) or ALL
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.
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Amylase Urine Test, Random
Amylase Urine Test, Random is used to diagnose pancreatitis or other pancreatic diseases.More Info -
Helicobacter pylori (H. pylori) Antibodies Blood Tes...
The Helicobacter pylori (H. pylori) Antibodies Blood Test, IgM is used in the diagnose early H pylori infection in patients with gastric and duodenal disease.More Info -
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.More Info -
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.More Info -
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.More Info -
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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 albicansMore Info -
Anemia #1 Baseline Blood Test Panel
An Anemia #1 Baseline Blood Test Panel includes an Iron w/TIBC, Ferritin and Transferrin.More Info -
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.More Info -
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.More Info -
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.More Info -
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.More Info -
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.More Info -
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 -
Clostridium difficile Toxin B Stool Test, Qualitativ...
A Clostridium difficile Toxin B Stool Test is useful in diagnosing Clostridium difficile Toxin B.More Info -
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).More Info -
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.More Info -
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).More Info -
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.More Info -
Inflammatory Bowel Disease (IBD) Profile Blood Test
The IBD Blood Test is used to rule out Crohn's disease and ulcerative colitis.More Info -
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.More Info -
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.More Info -
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.More Info -
Gluten Blood Test
A Gluten Blood Test diagnoses celiac disease. Usually ordered on patients with symptoms suggesting celiac disease, including abdominal pain and anemia.More Info -
Helicobacter pylori (H. pylori) Antibodies Blood Tes...
A H. pylori Antibodies Blood Test aids in the diagnosis of acute and chronic H. pylori infections in patients with gastric and duodenal disease.More Info -
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.More Info -
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.More Info -
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.More Info -
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.More Info -
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.More Info -
Celiac Disease Comprehensive Antibody Profile Blood ...
A Celiac Disease Comprehensive Antibody Profile Blood Test aids in the diagnosis of gluten-sensitive enteropathies, a disease of the intestinal tract.More Info -
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.More Info -
Amylase Serum Test
An Amylase Serum Test is used to diagnose pancreatitis or other pancreatic diseases.More Info -
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.More Info -
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Gamma-Glutamyl Transferase (GGT) Blood Test
A GGT test aids in detecting liver and bile duct injury.More Info -
C-Peptide Serum Test
The C-Peptide Serum Test helps determines how much insulin the pancreas is producing.More Info -
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.More Info -
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; detect kidney damage and distinguish between glomerular and tubular kidney disorders.More Info -
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.More Info -
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 statusMore Info -
Prealbumin Blood Test
This Prealbumin Blood Test evaluates protein malnutrition, total parenteral nutrition, and liver dysfunction.More Info -
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.More Info -
Potassium Urine Test, 24-Hour
A 24-hour Potassium Urine Test is used to detect abnormal concentrations of potassium, including high potassium (hyperkalemia) and low potassium (hypokalemia).More Info -
Hepatitis C Antibody Blood Test with Reflex on Posit...
Assess exposure to hepatitis C virus infection and tests blood safety.More Info -
Alpha-1 Antitrypsin Blood Test
An alpha-1 antitrypsin blood test is integral in defining the cause of early onset emphysema and/or liver dysfunction.More Info -
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.More Info -
Oxalate Urine Test, Quantitative, 24-Hour
That Oxalate Urine Test looks for the presence of certain toxic substances in the intestinal tract.More Info -
Carcinoembryonic Antigen (CEA) Blood Test
This CEA Blood Test measures the protein in the blood called carcinoembryonic antigen (CAE). This protein can be found on some cancer cell types.More Info -
Endomysial Antibody Blood Test, IgA
Tissue transglutaminase is the autoantigen recognized by endomysial antibody in celiac disease.More Info
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