Lab Testing Services

couple look at a computer

Lab Testing Services

Top 3 Reasons to Order Lab Tests from Life Extension

Reason 1

Get the TRUTH about your health

Reason 2

Confidential and convenient

Reason 3

FREE expert guidance

Best-Selling Tests

Top FAQs

  • A doctor's order for testing
  • All lab/testing fees
  • The blood draw fee
  • A copy of your results, which you can review at no charge with our specially trained and knowledgeable Wellness Specialists. Call 1-800-226-2370 to take advantage of this service.

No. As part of your test price, we provide an order from a licensed doctor in your state.

The minimum age for eligibility varies by test. The minimum age for tests to be performed by Quest Diagnostics is 5 years old.

Once you place your order, you will receive your Quest Diagnostics requisition within 24 hours if you have chosen email or fax as the method of delivery (allow up to 48 hours for orders placed on Saturday). If you choose to receive your requisition by mail, or are receiving a blood draw kit, please allow up to 5 business days for delivery. All requisitions and kits are mailed from Ft. Lauderdale, Florida.

You can take your lab requisition form to a Quest Diagnostics patient service center; there are over 2,200 locations nationwide. To schedule your appointment online, click Schedule an appointment. Include the order number of your lab from the requisition form and your name.

NEW Lab Tests for 2025

All Lab Tests by Category

Dive Deep Into Common Health Conditions

Need help selecting what's best for you?

Wellness
Specialists

Wellness
Specialists

1-800-226-2370 - This service is FREE
7:30 AM - 12 AM (ET) Mon-Fri | 9 AM - 12 AM (ET) Sat-Sun