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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 349–360 of 360 results Found 360 results

Labcorp

Vitamin B2

 $277.99

Vitamin B2 (Riboflavin) is a water-soluble vitamin essential for energy production and cellular function through its role in redox reactions. It is typically assessed to identify deficiencies that may contribute to fatigue, mucosal irritation, or skin disorders.

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

Vitamin B3

 $178.49

Vitamin B3 (Niacin) is a water-soluble vitamin important for energy production, DNA repair, and maintaining healthy skin and nerves. It is used to assess nutritional status and may help evaluate causes of fatigue, pellagra-like symptoms, or metabolic concerns.

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

Vitamin B5

 $129.99

Vitamin B5 (Pantothenic Acid) is a crucial component of coenzyme A and phosphopantetheine, both essential for fatty acid metabolism. Adequate levels of Vitamin B5 are necessary for optimal energy production and the synthesis of essential biomolecules. Deficiency or suboptimal levels may impact metabolic function and overall energy levels.

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

Vitamin B6

 $66.49

Vitamin B6 is a water-soluble vitamin essential for amino acid metabolism, neurotransmitter synthesis, and immune function. Deficiency or excess can impact nerve health, mood regulation, and energy production.

More info
Sample type
Plasma
Avg. sample processing time
6 Business days
Require fasting
No
Biomarkers
  • Vitamin B6 A B vitamin involved in amino acid metabolism, red blood cell production, and nervous system function.

Vitamin C

 $49.90

This is a single-marker test measuring vitamin C.

More info
Sample type
Plasma
Avg. sample processing time
6 Business days
Require fasting
No
Biomarkers
  • Vitamin C An antioxidant vitamin important for immune function, collagen production, and iron absorption.

Vitamin C (Plasma)

 $47.99

Vitamin C is a water-soluble antioxidant essential for immune function, collagen synthesis, and protection against oxidative stress.

More info
Sample type
Plasma
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Vitamin C An antioxidant vitamin important for immune function, collagen production, and iron absorption.

Vitamin E

 $53.49

Vitamin E (Tocopherol) is a fat-soluble antioxidant that protects cells from oxidative stress. It is used to evaluate nutritional status and monitor for deficiencies or excesses, particularly in individuals with fat malabsorption or those taking supplements.

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

Vitamin K1

 $126.99

Vitamin K1 plays a crucial role in blood clotting and bone metabolism. Assessing Vitamin K1 levels can help identify deficiencies that may be associated with conditions such as obstructive liver disease, malabsorption disorders, pancreatitis, prolonged diarrhea, or antibiotic overuse. Identifying and addressing deficiencies is essential for managing blood clotting disorders, supporting bone health, and preventing hemorrhagic conditions, particularly in newborns.

More info
Sample type
Serum
Avg. sample processing time
6 Business days
Require fasting
Yes
Biomarkers

Zinc RBC

 $55.99

Zinc is an essential trace mineral involved in immune function, wound healing, and cellular metabolism. It helps assess nutritional status, especially in conditions of malabsorption or suspected deficiency.

More info
Sample type
Red Blood Cells
Avg. sample processing time
4 Business days
Require fasting
No
Biomarkers
  • Zinc RBC Measures zinc stored inside red blood cells, considered a more accurate reflection of longer-term zinc status than a standard serum test.

Zinc RBC

 $57.80

This is a single-marker test measuring zinc in red blood cells. It can be used to determine zinc deficiency or excess.

More info
Sample type
Red Blood Cells
Avg. sample processing time
9 Business days
Require fasting
No
Biomarkers
  • Zinc RBC Measures zinc stored inside red blood cells, considered a more accurate reflection of longer-term zinc status than a standard serum test.

Zinc (Serum)

 $17.99

Zinc is an essential trace mineral involved in immune function, wound healing, and cellular metabolism. It helps assess nutritional status, especially in conditions of malabsorption or suspected deficiency.

More info
Sample type
Serum
Avg. sample processing time
4 Business days
Require fasting
No
Biomarkers
  • Zinc Measures zinc, a trace mineral essential for immune function, wound healing, and taste/smell.

ZnT8 Antibodies

 $299.49

Zinc transporter 8 autoantibodies (ZnT8) are an autoimmune diabetes marker that is instrumental in the diagnosis of new-onset type 1 diabetes.

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