All Digestive System Tests

“All Digestive System Tests” brings your core GI lab options into one place. A proactive plan starts by matching your question—infection, inflammation, bleeding, malabsorption, reflux/dyspepsia, or pancreatic issues—to the right stool, breath, and blood tests. Noninvasive stool markers (calprotectin/lactoferrin) help separate inflammatory bowel disease (IBD) from non-inflammatory causes like IBS. Pathogen PCR and C. difficile testing identify infections fast. For upper-GI concerns, H. pylori stool antigen or urea breath tests evaluate ulcer risk. Chronic diarrhea, weight loss, or greasy ... See more

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The Comprehensive Metabolic Panel (CMP) Test measures 21 markers to assess metabolic health, liver and kidney function, and electrolyte balance. It includes glucose, calcium, sodium, potassium, chloride, CO2, albumin, globulin, A/G ratio, total protein, bilirubin, ALP, AST, ALT, BUN, creatinine, BUN/creatinine ratio, and eGFR. The CMP helps detect diabetes, liver or kidney disease, and supports routine screening and chronic condition monitoring.

: Serum
Also Known As: CMP Test, Chemistry Panel Test, Chem Test, Chem 21 Test, Chem 14 Test 

The Creatine Kinase (CK) Total Test measures CK enzyme levels in blood to detect muscle injury, inflammation, or stress. Elevated CK may indicate muscle disorders, heart attack, strenuous exercise, or conditions such as rhabdomyolysis, while low levels are less common. Doctors use this test to evaluate unexplained muscle pain, weakness, or chest pain and to monitor recovery. It provides insight into muscle, cardiac, and overall metabolic health.

: Serum
Also Known As: CK Total Test, Creatine Phosphokinase, CPK Test

The Creatine Kinase (CK) Isoenzymes with Total CK Panel measures overall CK levels and breaks them into isoenzymes (CK-MM, CK-MB, CK-BB) to identify muscle, heart, or brain injury. Elevated CK-MB may suggest a heart attack, while CK-MM points to skeletal muscle damage, and CK-BB indicates brain injury. Doctors order this test for chest pain, muscle weakness, or trauma. Results provide critical insight for diagnosing and monitoring tissue damage.

Also Known As: CPK Isoenzymes Test

: Serum

The Creatine 24 Hour Urine Test measures creatine excretion to evaluate muscle metabolism, kidney function, and possible metabolic disorders. Abnormal levels may indicate muscular dystrophy, kidney impairment, or issues with creatine utilization. By tracking creatine over a full day, this test provides valuable insight into energy metabolism, aiding the assessment of neuromuscular health, renal function, and inherited metabolic conditions.

: Varied

The Culture Urine Routine Test detects and identifies bacteria or yeast in urine that cause urinary tract infections (UTIs). By growing microorganisms in a lab, this test determines the type of infection and guides effective treatment. Doctors use it to evaluate symptoms such as painful urination, frequent urges, or fever and to monitor recurrent UTIs. Results provide critical insight for diagnosis, antibiotic selection, and urinary health management.

: Random
Also Known As: Urine Culture Test, Urine Culture and Sensitivity, UTI test

Most Popular

The Cyclic Citrullinated Peptide (CCP) IgG Antibody Test helps diagnose rheumatoid arthritis by detecting antibodies strongly linked to autoimmune joint disease. A positive result may indicate early or developing RA, even before symptoms appear. Doctors order this test for patients with joint pain, stiffness, or swelling. Results, often used with the rheumatoid factor (RF) test, provide valuable insight into autoimmune activity and long-term joint health management.

: Serum
Also Known As: Anti-CCP, Cyclic Citrullinated Peptide IgG Antibody Test

The Cystatin C Test with eGFR measures blood levels of cystatin C, a protein filtered by the kidneys, and calculates estimated glomerular filtration rate (eGFR). This test provides a sensitive marker for kidney function and can detect early kidney disease, even when creatinine levels are normal. Doctors order it to evaluate chronic kidney disease risk, monitor treatment, and assess overall kidney health in patients with diabetes, hypertension, or other conditions.

: Serum
Also Known As: CysX Test, CysC Test

The Direct Antiglobulin Test with Reflex to Anti C3 and Anti IgG evaluates immune-mediated red blood cell destruction by detecting antibodies or complement proteins. Abnormal findings may suggest autoimmune hemolytic anemia, drug-induced hemolysis, or transfusion reaction. Reflex testing helps distinguish complement activation from IgG involvement, offering insight into immune regulation and hematologic health.

: Blood
Also Known As: Direct Coombs Test, Coombs Direct Test, DAT Test

The Endomysial IgA Antibody Screen with Reflex to Titer Test measures IgA antibodies linked to celiac disease and gluten sensitivity. It supports evaluation of chronic diarrhea, abdominal pain, weight loss, or nutrient deficiencies tied to autoimmune activity. Reflex to titer enhances diagnostic clarity, providing valuable information about intestinal damage, immune health, and systemic conditions.

: Serum

The Erythropoietin (EPO) Test measures levels of erythropoietin, a hormone made by the kidneys that stimulates red blood cell production. Abnormal levels may indicate anemia, chronic kidney disease, or bone marrow disorders. Elevated EPO can also occur with low oxygen levels or tumors. Doctors order this test for patients with unexplained fatigue, shortness of breath, or abnormal blood counts. Results help guide diagnosis, treatment, and monitoring of anemia-related conditions.

: Serum
Also Known As: Erythropoietin Test

The Fecal Globin by Immunochemistry Test detects hidden (occult) blood in stool using antibodies that identify human globin protein. This test helps screen for colorectal cancer, polyps, ulcers, and gastrointestinal bleeding. Doctors order it when patients have anemia, abdominal pain, or changes in bowel habits. Results provide early detection of digestive tract bleeding, guiding further evaluation with colonoscopy or other diagnostic procedures.

: Varied
Also Known As: Fecal Immunochemical Test, Fecal Occult Blood Test, Stool Occult Blood Test, FIT Test, FOBT

Most Popular

The Ferritin Test measures ferritin, a protein that stores iron in the body, to evaluate iron levels and detect deficiency or overload. It helps diagnose anemia, iron deficiency, hemochromatosis, and chronic disease-related inflammation. Doctors often order the ferritin test to investigate fatigue, weakness, or unexplained symptoms. It is also used to monitor iron supplementation, treatment effectiveness, and overall iron metabolism health.

: Serum
Also Known As: Iron Storage Test

The Antioxidants Micronutrients Panel measures key antioxidants; Alpha Tocopherol, Beta Gamma Tocopherol, Coenzyme Q10, Vitamin A, and Vitamin C to evaluate the body’s defense against oxidative stress. These nutrients support immune health, cellular protection, energy production, and overall wellness. The test helps detect deficiencies or imbalances that may affect long-term health and disease prevention.

Patient must be 18 years of age or older.
Also Known As: Antioxidants Test

The Folate Micronutrient Test measures blood folate levels to assess nutritional status and detect deficiencies. Folate is essential for DNA synthesis, red blood cell production, and proper fetal development. This test helps identify dietary insufficiency, malabsorption issues, or increased nutrient needs, supporting the diagnosis and management of anemia, pregnancy health, and overall wellness.

Patient must be 18 years of age or older.
: Serum
Also Known As: Serum Folic Acid Test, Vitamin B9 Test

Most Popular

The Folate Serum Test measures folate (vitamin B9) levels in blood to evaluate nutritional status and overall health. Low folate may cause anemia, fatigue, weakness, or pregnancy complications, while high levels may reflect supplementation. Doctors order this test to investigate unexplained anemia, monitor prenatal health, or assess dietary deficiencies. It provides valuable insight into red blood cell production, metabolism, and nutritional balance.

: Serum
Also Known As: Serum Folic Acid Test, Vitamin B9 Test, Folate Test

The Gliadin Deamidated Peptide IgA Antibody Test detects IgA antibodies against deamidated gliadin peptides, highly specific markers for celiac disease. Elevated levels indicate an immune reaction to gluten and may suggest intestinal damage. Doctors use this blood test to help diagnose celiac disease, evaluate unexplained digestive issues, or monitor adherence to a gluten-free diet. It is often ordered alongside tTG IgA and total IgA testing for accuracy.

: Serum
Also Known As: DGP IgA Test

The Gliadin Deamidated Peptide IgG IgA Antibodies Test detects both IgG and IgA antibodies against deamidated gliadin peptides, highly specific markers for celiac disease. Elevated results indicate an autoimmune reaction to gluten that can damage the small intestine. Doctors use this test to confirm suspected celiac disease, evaluate unexplained digestive issues, or monitor compliance with a gluten-free diet, often alongside tTG and other celiac antibody tests.

: Serum
Also Known As: DGP IgG IgA Test

The Gliadin Deamidated Peptide IgG Antibody Test detects IgG antibodies to deamidated gliadin peptides, helping diagnose celiac disease in patients with IgA deficiency or gluten-related disorders. Elevated levels indicate an autoimmune response to gluten that may damage the small intestine. Doctors use this blood test to evaluate persistent digestive symptoms, confirm celiac disease, or monitor dietary compliance with a gluten-free diet for improved health outcomes.

: Serum
Also Known As: DGP IgG Test

The Glucagon Test evaluates hormone levels that regulate glucose by stimulating the liver to release stored sugar. Elevated or low glucagon may indicate diabetes, hypoglycemia, metabolic disorders, or pancreatic disease. This test provides insight into endocrine activity, glucose balance, and systemic health conditions related to energy metabolism and hormonal function.

: Plasma-Unspecified Vial Pour

Most Popular

The Glucose Test measures blood sugar levels to evaluate energy metabolism and screen for diabetes or prediabetes. Abnormal glucose may indicate hyperglycemia, hypoglycemia, or metabolic disorders. Doctors use this test during routine exams, to investigate symptoms like fatigue, excessive thirst, or frequent urination, and to monitor treatment for diabetes. It provides essential insight into how the body regulates blood sugar and overall metabolic health.

: Serum
Also Known As: Fasting Glucose Test, Fasting Blood Sugar Test

The Glucose-6-Phosphate Dehydrogenase (G6PD) Test measures enzyme activity to detect G6PD deficiency, a genetic condition that can lead to hemolytic anemia when exposed to certain foods, infections, or medications. Doctors order this test to assess unexplained anemia, jaundice, or family history of G6PD deficiency. Results help identify individuals at risk for red blood cell breakdown, guiding treatment, prevention, and safe medication use.

: Blood
Also Known As: Glucose-6-Phosphate Dehydrogenase Test, G6PD Enzyme Test, G6PD Deficiency Test

The Glucose Plasma Test measures the amount of glucose in the blood to assess how the body regulates sugar. Abnormal results may indicate diabetes, prediabetes, hypoglycemia, or other metabolic disorders. Doctors order this test for patients with symptoms like fatigue, excessive thirst, or frequent urination. It is also commonly used for routine health screening, monitoring diabetes treatment, and guiding lifestyle or medication adjustments.

: Plasma-Unspecified Vial Pour
Also Known As: FPG Test, Fasting Plasma Glucose Test, Fasting Blood Sugar Test

The Glucose Random Test evaluates glucose levels in the blood without requiring fasting, making it useful for detecting abnormal sugar regulation. Elevated or low results may suggest diabetes, prediabetes, or hypoglycemia. This test supports assessment of metabolic function, carbohydrate processing, and systemic health, offering insight into symptoms like thirst, frequent urination, or unexplained fatigue.

Also Known As: Non-Fasting Glucose Test

The Haptoglobin Test measures levels of haptoglobin, a protein produced by the liver that binds free hemoglobin released from red blood cells. Low levels may indicate hemolytic anemia, liver disease, or red blood cell destruction, while elevated levels may occur with inflammation or tissue damage. Doctors use this blood test to help diagnose anemia causes, assess liver function, and monitor conditions affecting red blood cell health.

: Serum
Also Known As: HPT Test, Hemoglobin-binding Protein Test, Hp Test

People tend to overlook their digestive health. With so much focus on cancer, heart attacks, and strokes, it's easy for your gut health to get lost in the shuffle. 

That's why it's vital to have digestive lab tests done regularly. Catching digestive system conditions before they start is the best way to treat them. 

If monitoring your gut health is new to you, don't worry. In this article, we're going to cover everything you need to know about your gut.  

Digestive System Conditions 

There are different kinds of gastrointestinal lab tests to monitor different enzymes and bacteria in your gut. The bacteria in your gut is known as "good bacteria." These bacteria need to maintain their presence in your stomach for the system to remain healthy in the long run. An unhealthy digestive system can give rise to the following conditions.

Celiac Disease 

This is an acute gluten sensitivity ... See more