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
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 AZ, NY, NJ and RI.
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Hepatic Function (Liver) Panel Blood Test
The Hepatic Function (Liver) Panel Blood Test measures different enzymes, proteins, and other substances made by the liver. -
Liver Profile #1 Baseline Blood Test Panel
The Liver Profile #1 Baseline Blood Test Panel consists of 4 comprehensive blood tests that evaluate the overall health of the liver. -
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Anemia #1 Baseline Blood Test Panel
The Anemia #1 Baseline Blood Test Panel measures biomarkers in a blood sample to help screen for an iron deficiency and other causes of anemia. -
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. -
Amylase Serum Test
An amylase serum test is used to diagnose pancreatitis or other pancreatic diseases. -
Hepatitis B Surface Antibody Blood Test, Quantitativ...
The Hepatitis B Surface Antibody (HBsAB) Blood Test, Quantitative, detects and measures HBsAB antibodies in a blood sample to screen for the Hepatitis B virus. -
Candida Antibodies Blood Test, IgA, IgG, and IgM, EL...
The Candida Antibodies Blood Test, IgG, IgA, and IgM, ELISA detects antibodies that the body produces in response to Candida albicans. -
Ova and Parasites Examination Stool Test
The Ova and Parasites Examination Stool Test detects pathogens in a stool sample to screen for a parasitic intestinal infection. -
C-Peptide Serum Test
The C-Peptide Serum Test helps determines how much insulin the pancreas is producing. -
Gamma-Glutamyl Transferase (GGT) Blood Test
The Gamma-Glutamyl Transferase (GGT) Blood Test measures GGT levels in the blood to screen for liver or bile duct disease. -
Gluten Blood Test
The Gluten Blood Test measures the IgE antibody levels to screen for adverse reactions to gluten proteins found in wheat. -
Ammonia Plasma Test
The Ammonia Plasma Test measures ammonia levels in the blood to screen for hyperammonemia. -
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. -
Hepatitis C Antibody Blood Test
The Hepatitis C Antibody Blood Test helps detect and diagnose acute liver infection and inflammation due to the Hepatitis C virus (HCV). -
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. -
Hepatitis B Surface Antigen Blood Test
The Hepatitis B Surface Antigen Blood Test detects HBV surface antigens in a blood sample to screen for acute and chronic HBV infections. -
Toxic Metals 24-Hour Urine -Doctor's Data Test Kit
The Urine Toxic Metals, 24-Hour Test Kit evaluates exposure to potentially toxic elements and monitors metal detoxification therapy's effectiveness in a urine sample over 24 hours. -
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. -
Occult Blood, Fecal, Immunoassay Test
The Occult Blood, Fecal, Immunoassay Test detects blood hidden in a stool sample to help screen for colorectal cancer. -
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). -
Beta 2 Microglobulin Serum Test
The Beta 2 Microglobulin Serum Test helps evaluate the severity and prognosis of certain cancers and screens for kidney disorders. -
Transferrin Blood Test
The Transferrin Blood Test is used to screen for iron deficiency or excess and diagnose anemia by measuring transferrin levels in the blood. -
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. -
Giardia Lamblia Stool Test, EIA
The Giardia Lamblia Stool Test, EIA is used in the Rapid detection of the Giardia lamblia parasite. -
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. -
Liver Profile #3 Extreme Blood Test Panel
The Liver Profile #3 Extreme Blood Test Panel consists of 9 comprehensive blood tests that evaluate the overall health of the liver. -
Parasite Examination (Malaria) Blood Test
The Parasite Examination (Malaria) Blood Test helps to diagnose malaria. -
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). -
Alpha-1 Antitrypsin Blood Test
The Alpha-1 Antitrypsin (AAT) Blood Test is used to screen for a deficiency of the AAT protein by measuring AAT levels in the blood. -
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. -
Hepatitis B Surface Antibody Blood Test, Qualitative
The Hepatitis B Surface Antibody Blood Test, Qualitative detects HBsAB antibodies in a blood sample to screen for the Hepatitis B virus. -
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. -
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. -
Celiac Disease Comprehensive Antibody Profile Blood ...
The Celiac Disease Comprehensive Antibody Profile Blood Test measures the IgA or IgG antibody levels to diagnose celiac disease and monitor response to dietary changes. -
Prealbumin Blood Test
The Prealbumin Blood Test measures prealbumin levels in the blood to diagnose and monitor problems with nutritional health. -
Clostridium difficile Toxin B Stool Test, Qualitativ...
The clostridium difficile toxin B stool test is useful in diagnosing clostridium difficile toxin B. -
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. -
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. -
Ova and Parasites, Concentrate and Permanent Smear, ...
The Ova and Parasites, Concentrate and Permanent Smear, 3 Specimens Stool Test detect pathogens in three separate stool samples to screen for a parasitic intestinal infection. -
Inflammatory Bowel Disease (IBD) Profile Blood Test
The IBD blood test is used to rule out Crohn's disease and ulcerative colitis. -
Amylase Urine Test, Random
The Amylase Urine Test, Random, helps diagnose and monitor pancreatitis and other pancreatic diseases. -
Celiac Disease Profile Blood Test
The Celiac Disease Profile Blood Test measures the IgA antibody levels to help diagnose celiac disease and monitor response to a gluten-free diet. -
Urine Toxic and Essential Elements Test Kit - Doctor...
The Urine Toxic & Essential Elements Test Kit evaluates exposure to potentially toxic elements and monitors metal detoxification therapy's effectiveness. -
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. -
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). -
Hepatitis A Antibody Blood Test, Total
The Hepatitis A Antibody Blood Test, Total, detects both IgM and IgG antibodies to help diagnose hepatitis A and assess whether an individual has immunity to this disease. -
Candida Antibodies Blood Test, IgG, ELISA
The Candida Antibodies Blood Test, IgG, ELISA, detects antibodies the body produces in response to Candida albicans. -
Casein Allergy Blood Test, IgE
The Casein Allergy Blood Test measures IgE antibody levels in the blood to screen for an allergy to the milk protein casein. -
Celiac Disease HLA DQ Association Blood Test
The Celiac Disease HLA DQ Association Blood Test detects celiac disease-associated alleles that predispose to the disorder to assess the risk of CD but is not diagnostic of celiac disease. -
Oxalate Urine Test, Quantitative, 24-Hour
The Oxalate Urine Test, Quantitative, 24-Hour, measures oxalate in the urine over 24 hours to help screen for stone formation or hyperoxaluria. -
Hepatitis B Core Antibody Blood Test, IgM
The Hepatitis B Core Antibody Total Blood Test, IgM, detects IgM anti-HBc antibodies to screen for an acute HBV infection. -
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. -
Liver-Kidney Microsomal (LKM) Antibodies Serum Test
The Liver-Kidney Microsomal (LKM) Antibodies Serum Test detects LKM antibodies in the blood to screen for autoimmune hepatitis. -
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. -
ION Profile with 40 Amino Acids, Blood and Urine - G...
The ION® Profile with 40 Amino Acids, Blood & Urine Test Kit helps identify nutrient deficiencies that can lead to complex chronic 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. -
Scleroderma (SCL-70) Blood Test
The Scleroderma (Scl-70) Antibody test measures the Scl-70 antibodies in the blood to help diagnose progressive systemic sclerosis (scleroderma). -
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. -
Hepatitis C Virus (HCV) Blood Test, Quantitative, Re...
The Hepatitis C Virus (HCV) Blood Test, Quantitative, Real-Time PCR, detects and measures HCV RNA levels in the blood to monitor treatment response. -
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. -
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. -
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. -
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. -
Hepatitis Be Antigen Blood Test
The Hepatitis Be Antigen Blood Test detects HBeAg in the blood to monitor the infection status, infectivity, and treatment of chronic hepatitis B patients. -
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. -
Endomysial Antibody Blood Test, IgA
Tissue transglutaminase is the autoantigen recognized by endomysial antibody in celiac disease. -
GI Pathogen Profile, Multiplex PCR Stool Kit - Docto...
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. -
Celiac Disease Profile II Blood Test
The Celiac Disease Profile II Blood Test measures the IgA antibody levels to help diagnose celiac disease and monitor response to a gluten-free diet. -
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. -
Bacteriology Culture, Stool - Doctor's Data Kit
This Bacteriology Culture, Stool - Doctor's Data Kit helps detect beneficial and imbalanced flora and infectious pathogens. -
Hepatitis B Core Antibody Differentiation Blood Test...
The Hepatitis B Core Antibody Differentiation Blood Test, IgG and IgM assesses Hepatitis B virus infection. -
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. 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. -
Indican Urine Test
The Indican Urine test measures the indican levels in urine samples to help screen for potential digestive disorders. -
Hepatitis Be Antibody Blood Test
The hepatitis Be antibody blood test is a differential diagnosis, staging, and prognosis of hepatitis B infection. -
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. -
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. -
Gut Pathogen Profile-Genova Test Kit
The Gut Pathogen Profile detects pathogenic or potentially pathogenic organisms such as parasites, bacteria, and yeast in a stool sample. -
Beta-glucuronidase, Stool-Doctor's Data Test Kit
This Beta-glucuronidase, Stool-Doctor's Data Test Kit measures β-G levels in a stool sample and helps screen for an imbalanced intestinal microbiome.
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