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Order your own lab tests —
simple & on your schedule Labs

Labcorp

Labcorp tests

Take control of your health without referrals or insurance. Simply order your labs online, receive your requisition form by email, and bring it with you – printed or on your phone – to any LabCorp draw center.

Your blood draw will be performed at LabCorp, and you will not need to pay a separate fee for phlebotomy. Before scheduling your visit, ensure that your LabCorp requisition matches the information on your ID. Once complete, your secure results will be sent directly to your email.

Instructions
Quest Diagnostics

Quest Diagnostics tests

Skip the insurance hurdles and take charge of your wellness journey. Ordering Quest Diagnostics labs is entirely digital: once you purchase, we’ll instantly email a personalized requisition form to show on your phone or print.

With thousands of locations nationwide, finding a Quest Patient Service Center nearby is easy. The phlebotomy fee is already included at checkout, so there are no surprise costs at the front desk. Just bring a valid photo ID that exactly matches the name on your paperwork. After your visit, your confidential results will be securely delivered straight to your email inbox.

Instructions
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Showing 253–264 of 360 results Found 360 results

Labcorp

Parathyroid Hormone + Calcium

 $73.99

This test measures intact parathyroid hormone (PTH) and calcium. It is used to aid in the diagnosis of hypercalcemia and various renal and parathyroid diseases.

More info
Sample type
Plasma Serum
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Calcium Measures the total calcium in your blood, important for bone health, muscle function, nerve signaling, and blood clotting.
  • Parathyroid Hormone (PTH), Intact A hormone that regulates calcium levels by acting on bone, kidneys, and the gut. Key marker for evaluating parathyroid, calcium, and bone disorders.

Parathyroid Hormone (PTH), Intact

 $64.99

This test measures intact parathyroid hormone (PTH). It is used to make a diagnosis of primary hyperparathyroidism and secondary hyperparathyroidism.

More info
Sample type
Plasma
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Parathyroid Hormone (PTH), Intact A hormone that regulates calcium levels by acting on bone, kidneys, and the gut. Key marker for evaluating parathyroid, calcium, and bone disorders.

Parvovirus B19 IgG & IgM Antibodies

 $125.49

This test is used to help diagnose Parvovirus B19. Parvovirus B19 infection can be a life-threatening condition in patients with increased red cell destruction from other causes and in those unable to increase red cell production.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Parvovirus B19 IgG Indicates past exposure to parvovirus B19, the virus that causes fifth disease.
  • Parvovirus B19 IgM Indicates a recent or current parvovirus B19 infection (fifth disease).

Phosphorus

 $5.99

This test measures the level of phosphorus in serum. Serum phosphorus levels should be correlated with serum calcium levels to be of diagnostic value. Phosphorus is used to help diagnose and treat kidney diseases, parathyroid gland disorders, and Vitamin D imbalances.

More info
Sample type
Serum
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Phosphorus Measures phosphorus, a mineral important for bone health, energy production, and cell function, closely regulated alongside calcium.

Phosphorylated Tau 181 (pTau-181)

 $379.99

This test measures the concentration of p-Tau181 protein in the blood. Elevated levels of p-Tau181 are associated with tauopathies, including Alzheimer's disease, and can be used to differentiate Alzheimer's from other neurodegenerative conditions. This biomarker is particularly valuable for early diagnosis, monitoring disease progression, and evaluating response to therapeutic interventions in Alzheimer's disease and related disorders.

More info
Sample type
Plasma
Avg. sample processing time
3 Business days
Require fasting
No
Biomarkers

Pinworm Tape Test

 $72.99

The pinworm tape test checks for pinworm infection by collecting eggs from the skin around the anus. It helps diagnose infection with Enterobius vermicularis, a common intestinal parasite.

More info
Sample type
Pinworm Paddle
Avg. sample processing time
4 Business days
Require fasting
No
Biomarkers

PLAC Test (Lp-PLA2)

 $52.49

The PLAC® test for Lp-PLA2 activity is an enzyme assay that quantitatively measures Lp-PLA2 activity in blood samples. It can help predict the risk of coronary heart disease in patients with no prior history of cardiovascular events.

More info
Sample type
Serum
Avg. sample processing time
4 Business days
Require fasting
No
Biomarkers

Platelet Count

 $5.49

Platelet Count measures the number of platelets in the blood. Platelets are essential for blood clotting and wound healing, and abnormal counts can indicate bleeding disorders, bone marrow issues, or inflammatory conditions.

More info
Sample type
Whole Blood
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Platelet Count Cell fragments that help your blood clot. Counted to screen for bleeding or clotting risk and various blood disorders.

Potassium

 $5.99

Potassium is an essential electrolyte that helps regulate nerve function, muscle contractions, and heart rhythm. Measuring serum potassium levels is critical for assessing electrolyte balance and diagnosing conditions like dehydration, kidney disorders, and cardiac abnormalities.

More info
Sample type
Plasma
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Potassium An essential electrolyte that plays a critical role in heart rhythm, muscle function, and nerve signaling.

Prealbumin

 $23.49

This test measures the concentration of prealbumin in the blood. The serum concentration of prealbumin proteins reflects the synthesis capacity of the liver and is markedly diminished in malnutrition and other conditions.

More info
Sample type
Serum
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Pre-Albumin A protein made by the liver that reflects recent (days, not weeks) nutritional and protein status — useful for tracking short-term nutrition changes.

Pregnenolone, LC/MS

 $67.49

Pregnenolone is a precursor steroid hormone involved in the synthesis of other hormones including progesterone, cortisol, and testosterone. It plays a key role in hormone balance, stress response, and overall endocrine function.

More info
Sample type
Serum
Avg. sample processing time
10 Business days
Require fasting
No
Biomarkers
  • Pregnenolone A hormone made from cholesterol that's the starting building block for all your other steroid hormones, including cortisol, DHEA, and sex hormones.

Progesterone

 $19.99

Progesterone is a steroid hormone involved in the menstrual cycle, pregnancy, and reproductive health. It is commonly measured to assess ovulation, support pregnancy monitoring, and evaluate hormone balance in various clinical conditions.

More info
Sample type
Serum
Avg. sample processing time
2 Business days
Require fasting
No
Biomarkers
  • Progesterone A hormone essential for the menstrual cycle and pregnancy. Used to confirm ovulation, evaluate fertility, and monitor early pregnancy.
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