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219 lab tests available. Order online, visit a lab near you, get results in days.
Popular tests
11-Panel Urine Drug Test
An 11-panel urine drug test that screens for the 11 drug and alcohol categories listed below, including individual opioid and stimulant categories.
5-Panel Hair Drug Test
A 5-panel hair drug test that screens a hair sample for the five substance categories listed below.
6-Panel Urine Drug Test
A 6-panel urine drug test that screens for Amphetamines, Benzodiazepines, Marijuana, Cocaine, Opiates, and Oxycodone.
Acetylcholine Receptor Binding Antibody
A blood test that measures acetylcholine receptor binding antibodies, used to help evaluate myasthenia gravis.
ACTH (Adrenocorticotropic Hormone) Plasma Test
A plasma test that measures adrenocorticotropic hormone, a pituitary hormone that signals the adrenal glands to make cortisol.
Acute Hepatitis Panel (A, B, C)
A blood panel that checks for markers of recent or acute infection with hepatitis A, B, and C viruses, with reflex confirmation built in.
Adiponectin
Measures circulating adiponectin, an adipose-tissue hormone associated with insulin sensitivity and cardiometabolic traits. It is a biomarker, not a stand-alone risk diagnosis.
AFP (Alpha-Fetoprotein)
Alpha-fetoprotein (AFP) is a tumor marker used primarily to screen for liver cancer and monitor certain germ cell tumors of the ovaries and testicles.
Albumin (Serum)
Albumin is a protein test that evaluates liver function, kidney health, and nutritional status by measuring the main protein produced by the liver.
Aldosterone/Plasma Renin Activity Ratio Test (LC/MS/MS)
A test that compares aldosterone to plasma renin activity, used to screen for primary aldosteronism.
Alpha-Gal (Galactose-Alpha-1,3-Galactose) IgE Blood Test
A blood test that measures IgE antibodies to galactose-alpha-1,3-galactose, a sugar molecule linked to delayed allergic reactions to red meat.
Aluminum (Blood)
A blood test that measures aluminum levels to evaluate exposure and potential toxicity, particularly important for individuals with kidney disease or occupational exposure.
AMH (Anti-Müllerian Hormone)
Assesses ovarian reserve and egg supply to evaluate fertility potential and reproductive health - no doctor visit required.
Amylase Blood Test
A blood test that measures amylase, an enzyme made mainly by the pancreas and salivary glands.
ANA (Antinuclear Antibodies)
A blood test that screens for antinuclear antibodies to help diagnose autoimmune conditions like lupus, rheumatoid arthritis, and Sjögren's syndrome.
Anemia Panel (CBC, Iron, Ferritin, TIBC, B12, Folate)
A comprehensive blood test panel that evaluates multiple markers to help identify different types of anemia and their underlying causes.
Anti-CCP (Cyclic Citrullinated Peptide)
Detects anti-CCP antibodies used in rheumatoid arthritis evaluation; antibodies can appear years before clinical arthritis, but the result is not diagnostic by itself.
Anxiety and Depression Lab Panel
Checks selected medical factors that can overlap with mood symptoms. Blood tests do not diagnose anxiety or depressive disorders and do not replace a mental-health evaluation.
Apolipoprotein B (ApoB)
Measures apolipoprotein B levels to assess cardiovascular disease risk through particle count, often considered more accurate than traditional cholesterol tests.
Arsenic (Blood)
Measures total arsenic in blood for very recent exposure; a 24-hour urine arsenic test with speciation is preferred for most exposure assessments.
ASCA (Saccharomyces cerevisiae Antibodies, IgG and IgA)
A blood test for ASCA (IgG and IgA) antibodies, a marker more often associated with Crohn disease.
Ashkenazi Jewish Panel (4 Tests)
A genetic carrier screen for four conditions more common in the Ashkenazi Jewish population: cystic fibrosis, Tay-Sachs, Canavan disease, and familial dysautonomia.
Autoimmune Hepatitis Diagnostic Panel
A serum antibody panel used to help evaluate suspected autoimmune hepatitis, including ANA, smooth muscle (actin), LKM-1, and anti-mitochondrial antibodies.
Basic Autoimmune Panel (ANA, ESR, CRP, RF)
Measures four key biomarkers to evaluate inflammation and autoimmune activity in conditions like lupus, rheumatoid arthritis, and other inflammatory disorders.
Basic Health Profile
A comprehensive health assessment combining complete blood count, metabolic panel, cholesterol testing, diabetes screening, and urine analysis to evaluate your overall wellness.
Basic Metabolic Panel (BMP)
Measures eight key substances in blood to assess kidney function, blood sugar levels, electrolyte balance, and overall metabolism.
Basic Wellness Panel (CBC + CMP)
Comprehensive health screening combining complete blood count and metabolic panel to assess blood health, organ function, and overall wellness.
Beta-2 Microglobulin
Measures beta-2 microglobulin, a nonspecific marker strongly affected by kidney filtration and used mainly for prognosis in certain already-diagnosed blood cancers.
Blood Type (ABO + Rh)
Determines blood type (A, B, AB, or O) and Rh factor (positive or negative) for transfusion compatibility, pregnancy planning, and medical emergencies.
Bloom Syndrome DNA Mutation Analysis
A blood test that looks for BLM gene variants linked to Bloom syndrome, used for carrier and diagnostic purposes.
BNP / NT-proBNP (Heart Failure Marker)
The BNP/NT-proBNP test measures heart failure biomarkers to help diagnose heart failure and assess cardiac function when individuals experience symptoms like shortness of breath or chest pain.
BUN/Creatinine Ratio Blood Test
A blood test that reports blood urea nitrogen and creatinine and the ratio between them, used for information about kidney function.
C-Peptide
A blood test that measures C-peptide levels to evaluate how much insulin the pancreas produces and help distinguish between Type 1 and Type 2 diabetes.
CA 19-9 (Pancreatic Cancer Marker)
CA 19-9 is a tumor marker blood test used to monitor pancreatic cancer and other digestive tract cancers. It helps track treatment response and cancer progression.
CA-125 (Ovarian Cancer Marker)
Measures CA-125 protein levels to help monitor ovarian cancer treatment or screen individuals at high risk.
Cadmium (Blood)
Measures blood cadmium to assess recent or ongoing exposure; persistent sources such as smoking can elevate levels during chronic exposure.
Calcium
A blood test that measures calcium levels to assess bone health, parathyroid function, and detect mineral imbalances that may indicate various medical conditions.
Calprotectin (Stool)
A stool test that measures calprotectin levels to detect intestinal inflammation and help distinguish inflammatory bowel disease from irritable bowel syndrome.
Carnitine Blood Test
A blood test that measures carnitine, a substance cells use to process fats for energy.
Carotene (Beta-Carotene) Blood Test
A blood test that measures beta-carotene, a fat-soluble precursor to vitamin A.
CEA (Carcinoembryonic Antigen)
A tumor marker test that measures CEA protein levels to help monitor certain cancers and evaluate treatment response, particularly for colorectal and other gastrointestinal cancers.
Celiac Disease Panel (tTG-IgA + Total IgA)
A comprehensive screening test that measures tissue transglutaminase IgA antibodies and total IgA levels to help identify celiac disease and rule out IgA deficiency.
CFvantage Cystic Fibrosis Expanded Carrier Screen
A blood test that screens for an expanded set of gene variants known to cause cystic fibrosis, used to assess carrier status.
Chlamydia & Gonorrhea Test
A urine test that detects two of the most common sexually transmitted infections using advanced DNA detection technology.
Chromium
A blood test that measures chromium levels to assess this trace element's role in glucose metabolism and nutritional status.
Coagulation Panel (PT/INR + PTT)
Comprehensive blood clotting assessment that evaluates prothrombin time (PT) with international normalized ratio (INR) and partial thromboplastin time (PTT) to assess bleeding and clotting disorders.
Coenzyme Q10 (CoQ10)
Measures CoQ10 levels in blood to assess cellular energy production, antioxidant status, and potential deficiency from medications like statins.
Colorectal Screening (FIT) Test Home Collection Kit
Quest's at-home FIT kit uses brush-collected stool water to screen for human hemoglobin; Quest lists it at $79 plus a $6 physician service fee.
Complement C3 and C4
Measures complement proteins C3 and C4 to evaluate suspected immune-complex, complement, or inflammatory disease and to monitor selected diagnosed conditions.
Complete Blood Count (CBC)
A comprehensive blood test that measures red blood cells, white blood cells, and platelets to assess overall health, detect infections, and screen for blood disorders like anemia.
Comprehensive Health Profile
A complete health assessment panel measuring blood counts, organ function, metabolism, lipids, glucose control, thyroid hormones, vitamin D, iron status, and urinalysis to provide a comprehensive overview of overall health.
Comprehensive Metabolic Panel (CMP)
A blood test panel measuring 14 biomarkers to assess kidney function, liver health, blood sugar, electrolyte balance, and protein levels.
Comprehensive Testosterone Test
A comprehensive hormone panel that measures total testosterone, free testosterone, SHBG, and albumin to provide the complete picture of testosterone availability and hormonal balance.
Comprehensive Thyroid Panel (TSH, Free T3, Free T4, TPO Antibodies)
Complete thyroid evaluation measuring TSH, Free T3, Free T4, and TPO antibodies to assess thyroid function and detect autoimmune thyroid conditions.
Comprehensive Wellness Panel (CBC + CMP + Lipid + TSH)
Comprehensive blood test panel assessing overall health through complete blood count, metabolic function, cholesterol levels, and thyroid function.
Copper (Serum)
A blood test that measures total copper levels in serum to evaluate copper deficiency, toxicity, and disorders of copper metabolism.
Cortisol (AM, Fasting)
A morning cortisol test measures cortisol levels at their natural peak to evaluate adrenal gland function and screen for stress-related hormonal imbalances.
Cortisol Test
A cortisol test measures the stress hormone levels in your blood to assess adrenal gland function and your body's response to stress.
COVID-19 Antibody Test
Detect antibodies to SARS-CoV-2 to determine if you've previously been infected with COVID-19, with no doctor visit required.
Creatine Kinase (CK, CPK)
A blood test that measures creatine kinase, an enzyme that can rise after muscle injury or other tissue damage.
Cytomegalovirus (CMV) Antibodies
Measures CMV IgG and IgM antibodies; IgM alone cannot establish a new infection, and routine CMV antibody screening in pregnancy is not recommended.
D-Dimer
D-Dimer test measures protein fragments from blood clot breakdown to screen for thrombosis, pulmonary embolism, and blood clotting disorders.
DHEA-Sulfate
Measures DHEA-sulfate levels to assess adrenal gland function and help diagnose hormonal imbalances.
Diabetes Risk Panel (Glucose + A1C + Insulin)
A comprehensive diabetes screening panel that measures glucose, hemoglobin A1C, and insulin levels to assess diabetes risk and metabolic health.
Direct LDL Cholesterol
A blood test that directly measures LDL cholesterol instead of calculating it from a standard lipid panel.
Electrolyte Panel (Sodium, Potassium, Chloride, CO2)
Measures four essential minerals in blood that regulate fluid balance, nerve function, muscle contractions, and acid-base balance in the body.
Elite Health Profile
Comprehensive health panel assessing cardiovascular risk, metabolic function, thyroid health, and nutritional status through blood and urine analysis.
Environmental Allergy Panel (Trees, Grasses, Molds, Dust)
Identifies specific IgE antibodies to common environmental allergens including trees, grasses, molds, and dust mites.
Epstein-Barr Virus (EBV) Panel
Comprehensive antibody panel to determine current, past, or recent Epstein-Barr virus infection status and distinguish between acute and chronic EBV infections.
Erectile Dysfunction Test Panel
A blood test panel that evaluates hormonal, metabolic, cardiovascular, thyroid, diabetes, lipid, and general health markers associated with erectile dysfunction.
ESR (Sed Rate)
Measures inflammation levels by testing how quickly red blood cells settle in a tube over one hour.
Estradiol (E2) Test
An estradiol test measures the most potent form of estrogen in the blood to assess reproductive health, fertility, and hormonal balance.
Estrogen (Total)
Measures the combined levels of all estrogen hormones to assess overall hormonal balance in women and men.
Estrone (E1) Blood Test
A blood test that measures estrone, a form of estrogen that becomes the main estrogen after menopause.
EtG Urine Alcohol Test
An EtG urine alcohol test that screens for recent alcohol exposure by detecting ethyl glucuronide, an alcohol metabolite.
Fatigue Panel (CBC, CMP, TSH, Iron, B12, Vitamin D)
Comprehensive blood panel to identify common causes of chronic tiredness including anemia, thyroid dysfunction, iron deficiency, and vitamin deficiencies.
Female Fertility Panel (FSH, LH, Estradiol, AMH, Prolactin)
Comprehensive hormone panel that measures five key fertility markers to assess ovarian function, ovulation patterns, and reproductive health in women.
Fentanyl Urine Drug Test
A fentanyl urine drug test that screens for fentanyl and its primary metabolite, norfentanyl.
Ferritin Test
Measures the protein that stores iron in your body to assess iron deficiency or overload conditions.
Fibrinogen
A blood test that measures fibrinogen levels to assess blood clotting function and help identify bleeding or clotting disorders.
Fitness and Performance Panel
A comprehensive panel measuring 8 key biomarkers to assess athletic performance, recovery status, and metabolic health in active individuals.
Folate (Folic Acid)
Measures folate levels to assess vitamin B9 status, essential for DNA synthesis and red blood cell production.
Food Allergy Panel: Basic (15 Foods)
Measures IgE antibodies to 15 common food allergens including milk, eggs, nuts, seafood, and wheat to help identify food allergies.
Free T3 (Triiodothyronine)
Measures the active, unbound form of T3 thyroid hormone to evaluate thyroid function and diagnose hyperthyroidism.
Free T4 (Thyroxine)
Measures the active form of thyroxine hormone to assess thyroid function and diagnose thyroid disorders such as hypothyroidism and hyperthyroidism.
Fructosamine
The fructosamine test measures average blood sugar levels over the past 2-3 weeks, providing an alternative to hemoglobin A1c when monitoring short-term diabetes control or when A1c testing may be unreliable.
FSH (Follicle Stimulating Hormone)
A blood test measuring FSH levels to assess fertility, menopause, and reproductive hormone function in males and females.
Gaucher Disease DNA Mutation Analysis
A blood test that looks for GBA1 gene variants linked to Gaucher disease, used for carrier and diagnostic purposes.
GFR (Glomerular Filtration Rate)
Blood test to measure kidney function by evaluating how well the kidneys filter waste from the blood.
GGT (Gamma-Glutamyl Transferase)
Measures gamma-glutamyl transferase, an enzyme marker used mainly to help identify a hepatobiliary source when alkaline phosphatase is elevated. It is not a direct liver-function measurement.
GI Pathogen Panel (Stool)
Detects selected bacterial, viral, and parasitic nucleic acids in an appropriate diarrheal stool specimen. Testing is not useful for every gastrointestinal symptom or asymptomatic screen.
Glucose (Fasting)
A fasting glucose test measures blood sugar levels after an 8-12 hour fast, primarily used to screen for diabetes and prediabetes.
GlutenID Celiac Genetic Health Risk Home Collection Kit
A cheek-swab home collection kit that evaluates HLA-DQA1 and HLA-DQB1 celiac-risk variants; it estimates genetic risk and does not diagnose celiac disease.
Growth Hormone (GH)
A blood test that measures growth hormone levels to assess pituitary function and diagnose growth hormone deficiency or excess.
H. Pylori Antibody Test
Blood test that detects antibodies to Helicobacter pylori bacteria, which can cause stomach ulcers and gastritis.
H. pylori Stool Antigen or Breath Test
A non-blood H. pylori testing page for stool antigen or breath-test methods, pending exact partner routing.
Haptoglobin
Measures haptoglobin as part of a hemolysis evaluation. Inflammation can raise this acute-phase protein and mask the decrease expected with red-cell destruction.
hCG (Pregnancy Test, Quantitative)
A blood test that measures exact hCG hormone levels to confirm pregnancy and assess early pregnancy viability, with results available as early as 10 days after conception.
Heart Health Panel (Lipid + hs-CRP + Homocysteine)
Comprehensive cardiovascular screening that measures cholesterol levels, inflammation, and homocysteine to assess overall heart disease risk.
Heavy Metals Panel (Lead, Mercury, Arsenic)
Comprehensive blood test measuring three toxic metals - lead, mercury, and arsenic - to assess potential exposure and help protect against heavy metal toxicity.
Hemoglobin A1C (Diabetes)
A blood test that measures average blood sugar levels over the past 2-3 months, essential for diagnosing and monitoring diabetes management.
Hepatitis A Immunity (IgG)
The Hepatitis A Immunity (IgG) test measures protective antibodies against hepatitis A virus to determine if an individual has immunity from previous infection or vaccination.
Hepatitis B Surface Antibody (Immunity)
Measures hepatitis B surface antibody (anti-HBs); this marker alone cannot distinguish vaccine response from immunity after natural infection.
Hepatitis B Test Panel
A comprehensive blood test panel that checks for current hepatitis B infection, immunity status, and past exposure through three key markers.
Hepatitis C Test
This test screens for hepatitis C virus (HCV) antibodies to detect past or current infection, with automatic RNA testing if antibodies are found.
Herpes (HSV 1 & 2) Test
High-Sensitivity CRP (hs-CRP)
Measures very low concentrations of the nonspecific inflammation marker CRP and can serve as one risk-enhancing factor in cardiovascular assessment.
HIV Test
Homocysteine
A blood test that measures homocysteine levels to assess cardiovascular risk and vitamin B deficiency status.
HPV Test for Cervical Cancer Risk
This test screens for high-risk HPV types that can cause cervical cancer, helping to detect potential risks early when prevention is most effective.
hs-CRP (High-Sensitivity C-Reactive Protein)
Measures inflammation levels in the body to assess cardiovascular disease risk, particularly helpful for those at intermediate risk of heart disease.
HTLV-I/II Antibody, with Reflex to Confirmatory Assay
A blood test that screens for antibodies to HTLV-I and HTLV-II and reflexes to a confirmatory assay when the screen is reactive.
IGF-1 (Growth Hormone Marker)
Measures insulin-like growth factor 1 to evaluate growth hormone activity and diagnose growth disorders, pituitary conditions, and metabolic imbalances.
Immunofixation Electrophoresis, Serum
A blood test that helps identify and type abnormal proteins in serum.
Immunoglobulin A (IgA) Blood Test
A blood test that measures immunoglobulin A, an antibody that helps protect the respiratory and digestive tracts.
Immunoglobulin E (IgE) Blood Test, Total
A blood test that measures the total amount of immunoglobulin E, an antibody linked to allergic responses.
Immunoglobulins (IgA, IgG, IgM)
Measures IgA, IgG, and IgM to evaluate antibody patterns, including isolated low IgA that may suggest selective IgA deficiency after other causes are excluded.
Inflammation Panel (Comprehensive)
Measures CRP, ESR, ANA, rheumatoid factor, complement proteins C3/C4, and a complete blood count as part of a clinician-directed evaluation of inflammatory or autoimmune symptoms.
Inflammation Panel (ESR + hs-CRP)
A comprehensive blood panel that measures two key markers of inflammation: erythrocyte sedimentation rate (ESR) and high-sensitivity C-reactive protein (hs-CRP).
Inflammatory Bowel Disease (IBD) Differentiation Panel
A blood panel of antibody markers used to help distinguish ulcerative colitis from Crohn disease as part of a broader workup.
Insulin (Fasting)
Measures insulin levels after fasting to assess insulin production and detect insulin resistance before diabetes develops.
Iodine (Urine)
Measures urinary iodine concentration as a marker of recent intake. A single spot result does not classify an individual's iodine status.
Iron Panel (Iron, TIBC, Ferritin)
Comprehensive iron status assessment that measures serum iron, total iron-binding capacity, and ferritin levels to evaluate iron deficiency, iron overload, and related conditions.
Kidney Function Panel (Renal Panel)
A comprehensive blood test that measures kidney function by evaluating waste filtration and electrolyte balance through multiple biomarkers.
Lactose Tolerance Test, 5 Specimens (50g)
A timed blood test that measures glucose response after a 50g lactose drink to help evaluate possible lactose intolerance.
LDH (Lactate Dehydrogenase)
An LDH (lactate dehydrogenase) test measures the amount of LDH in your blood to detect tissue damage or cellular injury throughout the body.
Lead Exposure Test
Blood test that measures lead levels to evaluate exposure from occupational, environmental, or residential sources.
Leptin
Measures leptin, a long-term signal of body-fat stores and energy availability whose concentration is strongly related to fat mass and BMI.
LH (Luteinizing Hormone)
Measures luteinizing hormone levels to evaluate fertility, ovulation timing, and reproductive health.
Lipase Blood Test
A blood test that measures lipase, a digestive enzyme made mainly by the pancreas.
Lipid Panel (Cholesterol)
A comprehensive blood test that measures cholesterol and triglycerides to assess heart disease risk and cardiovascular health.
Liver Function Panel (Hepatic Panel)
Comprehensive blood test evaluating liver health through measurement of enzymes, proteins, and bilirubin levels to detect liver disease, damage, or dysfunction.
Lp-PLA2 (PLAC Test)
Measures Lp-PLA2 mass or activity as an adjunct cardiovascular risk marker. The enzyme is largely LDL-bound and does not localize arterial inflammation.
Lp(a) Lipoprotein(a)
The Lp(a) test measures lipoprotein(a) levels in the blood to assess cardiovascular disease risk, particularly important for those with family history of heart disease.
Lupus Panel 3 with ANA, IFA (Reflex to Titer and Pattern)
A blood panel that tests for ANA and several lupus-associated autoantibodies, with reflex titer and pattern testing on positive ANA results.
Lyme Disease Antibody Test
Blood test that detects antibodies to Borrelia burgdorferi bacteria, helping diagnose Lyme disease in individuals with symptoms or tick exposure.
Magnesium
Measures magnesium levels in blood to assess electrolyte balance, muscle function, and heart health.
Marijuana (THC) Urine Drug Test
A marijuana urine drug test that screens for the THC metabolite THC-COOH in a urine sample.
Melatonin
A blood test that measures melatonin levels to assess sleep-wake cycles and circadian rhythm function.
Men's Advanced Health Panel
A comprehensive health screening panel designed specifically for men, measuring 14 essential biomarkers including hormones, cardiovascular risk factors, metabolic markers, and nutritional status.
Men's Health Panel (CBC, CMP, Lipid, PSA, Testosterone)
A comprehensive men's health screening that measures complete blood count, metabolic function, cholesterol levels, prostate health, and testosterone levels in one convenient test.
Men's Hormone Panel — Basic
A comprehensive assessment of key male hormones that measures total testosterone, bioavailable testosterone, and protein binding factors to evaluate hormonal health.
Men's Hormone Panel — Expanded
This comprehensive panel measures seven key hormones that affect men's energy, libido, mood, muscle mass, and overall vitality.
Microalbumin (Urine)
Measures the urine albumin-to-creatinine ratio (ACR), an early kidney-damage marker that must be interpreted with eGFR and other kidney findings.
MMR Immunity (Measles, Mumps, Rubella)
Tests for immunity to measles, mumps, and rubella through IgG antibody detection from previous vaccination or natural infection.
Mold Allergy Panel
Measures IgE antibodies to five common molds to assess allergic sensitization; results do not diagnose a clinical mold allergy by themselves.
Mononucleosis (Mono) Test
A blood test that detects heterophile antibodies to help diagnose infectious mononucleosis (mono), commonly caused by Epstein-Barr virus.
Mycoplasma Genitalium (Mgen) Test
A urine test that detects Mycoplasma genitalium, a common but often overlooked sexually transmitted infection that can cause urethritis and reproductive health complications.
Mycoplasma hominis / Ureaplasma Culture
A culture test that looks for Mycoplasma hominis and Ureaplasma species, organisms that can colonize the genital tract.
Myeloperoxidase (MPO)
Measures myeloperoxidase enzyme levels to assess cardiovascular inflammation and heart disease risk.
Nicotine and Cotinine Urine Test
A urine test that screens for recent nicotine exposure by measuring cotinine, a primary nicotine metabolite.
Niemann-Pick Disease Mutation Analysis
A blood test that looks for SMPD1 gene variants linked to Niemann-Pick disease types A and B, used for carrier and diagnostic purposes.
NMR LipoProfile (Particle Size)
Advanced lipid test using nuclear magnetic resonance technology to measure the number and size of LDL and HDL particles for improved cardiovascular risk assessment beyond traditional cholesterol testing.
Omega-3 and Omega-6 Fatty Acid Index
Measures selected omega-3 and omega-6 fatty acids in blood. A result can describe fatty-acid status, but no universal ideal omega-6:omega-3 ratio is established.
Organic Acids, Limited, Quantitative, Urine
A quantitative urine test that measures organic acids to help evaluate inherited metabolic disorders.
Osteocalcin
Measures osteocalcin as a bone-turnover marker; impaired kidney filtration can raise the result independently of bone turnover.
Parathyroid Hormone (PTH)
Measures parathyroid hormone for calcium-balance evaluation. PTH must be interpreted with a simultaneous calcium result and does not by itself diagnose hyperparathyroidism.
Pediatric Wellness Panel
A combined pediatric blood and urine panel whose results require age- and sex-specific interpretation; it is not a first-line assessment of growth concerns.
Pet Allergy Panel (Cat and Dog)
A comprehensive blood test that measures IgE antibody levels to both cat and dog dander to identify potential pet allergies.
Phosphorus
This blood test measures phosphorus levels to evaluate kidney function, bone health, and mineral balance in the body.
Potassium
A blood test that measures potassium levels to assess electrolyte balance and help detect conditions that can affect heart, kidney, and muscle function.
Prealbumin (Transthyretin)
Prealbumin testing evaluates nutritional status, protein metabolism, and can help monitor recovery from illness or malnutrition.
Pregnenolone
Measures pregnenolone levels to assess hormone production, adrenal function, and neurosteroid balance in the body.
Prenatal Carrier Panel: Cystic Fibrosis, Fragile X, and SMA
A combined blood-based carrier panel screening for cystic fibrosis, Fragile X, and spinal muscular atrophy.
Progesterone
Measures progesterone hormone levels to assess ovulation, fertility, and reproductive health: no doctor visit required.
Prolactin
Measures prolactin hormone levels to assess fertility, detect pituitary disorders, and evaluate symptoms like irregular periods or unexplained breast discharge.
Proov Progesterone Fertility Test Kit
Five first-morning urine strips qualitatively track PdG, a progesterone metabolite, at home; this is not the serum progesterone blood test.
Protein Electrophoresis (SPEP)
Serum protein electrophoresis primarily evaluates a suspected monoclonal protein associated with MGUS, multiple myeloma, Waldenström macroglobulinemia, or related disorders.
PSA (Prostate-Specific Antigen)
A blood test that measures PSA levels to screen for prostate cancer and monitor prostate health in men.
Reticulocyte Count
Measures immature red blood cells; the result must be interpreted with hemoglobin, anemia severity, and often a corrected count or reticulocyte production index.
Reverse T3
Measures reverse T3 (rT3), an inactive form of thyroid hormone that may indicate metabolic stress or illness.
Rheumatoid Factor (RF)
Measures rheumatoid factor antibodies in the blood to help diagnose rheumatoid arthritis and other autoimmune conditions.
Selenium
A selenium blood test measures levels of this essential trace element, which plays a vital role in thyroid function, immune health, and antioxidant defense throughout the body.
Senior Wellness Panel
A comprehensive health screening panel designed for adults 50+ that includes essential tests to assess blood health, organ function, metabolism, and nutrition status with no doctor visit required.
Serum Free Light Chains
A blood test that measures free kappa and lambda light chains and their ratio.
SHBG (Sex Hormone Binding Globulin)
This test measures sex hormone binding globulin (SHBG), a protein that regulates the amount of biologically active testosterone and estrogen available to the body.
Spinal Muscular Atrophy (SMA) Carrier Screen
A blood test that measures SMN1 gene copy number to assess carrier status for spinal muscular atrophy.
STD Panel — Basic (4 Tests)
A comprehensive screening panel that tests for the four most common sexually transmitted infections using blood and urine samples, with no doctor visit required.
STD Panel — Expanded (7 Tests)
This comprehensive panel tests for seven of the most common sexually transmitted infections in a single convenient testing experience with no doctor visit required.
Student Athlete Test Panel
A Quest blood panel for ages 10 to 25 that combines blood count, metabolic, iron, lipid, thyroid, folate, vitamin B12, and vitamin D testing.
Syphilis Test
A comprehensive blood test that detects antibodies to Treponema pallidum, the bacteria that causes syphilis, providing essential screening for this treatable sexually transmitted infection.
Tay-Sachs Disease Mutation Analysis
A blood test that looks for HEXA gene variants linked to Tay-Sachs disease, used for carrier identification and to clarify pseudodeficiency results.
Testosterone (Free & Total)
Comprehensive assessment of both total testosterone and biologically active free testosterone to evaluate hormone levels for men and women.
Testosterone Test (Total)
A blood test that measures total testosterone circulating in the bloodstream, including bound and unbound hormone.
Tetanus Antitoxoid
A blood test that measures tetanus antitoxoid antibody levels to help assess immunity from vaccination.
Thyroglobulin Antibodies
Measures antibodies that attack thyroglobulin protein in the thyroid, helping diagnose autoimmune thyroid conditions and monitor thyroid cancer treatment.
Thyroid Antibodies (TPO + Thyroglobulin)
Detect autoimmune thyroid conditions like Hashimoto's disease or Graves' disease by measuring antibodies that may be attacking thyroid tissue.
Thyroid Panel (TSH + Free T4)
A comprehensive thyroid screening test that measures TSH and Free T4 levels to evaluate thyroid function and help diagnose hypothyroidism or hyperthyroidism.
Tick-Borne Disease Panel
A comprehensive blood test that screens for antibodies to the four most common tick-borne diseases in the United States: Lyme disease, anaplasmosis, ehrlichiosis, and babesiosis.
Total T3 (Triiodothyronine)
A blood test that measures total T3, including both bound and unbound triiodothyronine.
Total T4 (Thyroxine)
A blood test that measures total T4, including both bound and unbound thyroxine.
Toxoplasmosis (IgG/IgM)
Measures Toxoplasma IgG and IgM antibodies; positive IgM can be false or persist, so suspected acute infection needs specialized confirmatory testing.
Trichomoniasis Test
A highly accurate molecular test that detects Trichomonas vaginalis, the parasite that causes the most common curable STI in the world.
Troponin T, High Sensitivity (hs-TnT)
A blood test that measures high-sensitivity troponin T, a protein released when heart muscle is injured.
TSH (Thyroid Stimulating Hormone)
Measures TSH levels to assess thyroid function and screen for hyperthyroidism and hypothyroidism.
Tuberculosis (TB) Blood Test (QuantiFERON)
The QuantiFERON TB blood test detects immune sensitization to tuberculosis but cannot distinguish latent TB infection from active TB disease.
Uric Acid
A blood test that measures uric acid levels to help diagnose gout, monitor kidney function, and assess risk for kidney stones.
Urinalysis (Complete)
A comprehensive urine test that evaluates kidney function, detects infections, and screens for diabetes and other conditions through visual, chemical, and microscopic examination.
Urine Culture (Routine)
A lab culture that checks a urine sample for bacteria that can cause a urinary tract infection.
Urine Protein, Quantitative
A urine test that measures protein in urine, often used as part of kidney evaluation.
Varicella (Chickenpox) Immunity
Measures VZV IgG, but commercial assays can miss vaccine-induced antibodies; documented two-dose vaccination supersedes a later negative result.
Vitamin A (Retinol)
Measures vitamin A (retinol) levels in blood to assess nutritional status and detect deficiency or toxicity that may affect vision, immune function, and overall health.
Vitamin B12
Measures vitamin B12 levels to detect deficiency that can cause anemia, nerve problems, and fatigue.
Vitamin B2 (Riboflavin) Test
A blood test that measures riboflavin (vitamin B2), a B vitamin your body uses to turn food into energy.
Vitamin B3 (Niacin) Test
A blood test related to vitamin B3, also called niacin, a B vitamin the body converts into coenzymes used by hundreds of enzymes.
Vitamin D (25-Hydroxy)
Measures vitamin D levels in the body to assess bone health, immune function, and overall vitamin D status
Vitamin E (Alpha-Tocopherol)
A blood test measuring vitamin E levels to assess antioxidant status and detect potential deficiency or toxicity. Vitamin E acts as an antioxidant protecting cells and supports nerve and muscle function.
Vitamin K
Measures circulating vitamin K1 (phylloquinone), a short-term marker strongly influenced by recent intake rather than a stable measure of total vitamin K stores.
Weight Management Panel (TSH, A1C, Insulin, Lipid, CMP)
Comprehensive panel measuring metabolism-related markers to support healthy weight management goals and assess metabolic health.
Women's Advanced Health Panel
A comprehensive women's health panel that evaluates essential biomarkers including reproductive hormones, thyroid function, metabolic health, and nutritional status through one convenient blood test.
Women's Health Panel (CBC, CMP, Lipid, TSH, Iron, Vitamin D)
A comprehensive blood panel designed for women's health, evaluating blood counts, metabolic function, cholesterol, thyroid hormones, iron levels, and vitamin D status through six essential tests.
Women's Hormone Panel: Basic
A comprehensive blood test that measures five essential reproductive hormones to assess menstrual health, fertility, and hormonal balance in women.
Women's Hormone Panel: Expanded
Comprehensive assessment of key reproductive and metabolic hormones including estradiol, progesterone, testosterone, FSH, LH, DHEA, thyroid markers, and prolactin to evaluate menstrual cycle irregularities, fertility concerns, and hormone-related symptoms.
XSense Fragile X Carrier Screen with Reflex
A blood test that measures CGG repeat length in the FMR1 gene to assess Fragile X carrier and premutation status.
YO Male Fertility At-Home Test Kit (3-Pack)
A three-test semen kit that reports five sperm concentration and motility measures plus a sperm video at home; it is not a comprehensive fertility evaluation.
Youth Wellness Test Panel, Core
A Quest blood panel for ages 10 to 17 that combines a blood count, comprehensive metabolic panel, and iron, TIBC, and ferritin testing.
Youth Wellness Test Panel, Expanded
A Quest blood panel for ages 10 to 17 that adds lipid and thyroid testing to the Core panel's blood count, metabolic, and iron tests.
Zika Virus Antibody (IgM)
A blood test that looks for IgM antibodies to Zika virus, used within specific CDC clinical and epidemiologic criteria.
Zinc
Measures zinc levels in blood to evaluate nutritional status and assess potential zinc deficiency or excess.