Does JustLabs use Quest Diagnostics labs?

Yes. JustLabs partners exclusively with Quest Diagnostics. Your blood draw happens at a Quest patient service center, and your samples are processed in Quest's CLIA-certified labs — the same labs used by QuestDirect.

Why is JustLabs cheaper than Quest Direct?

JustLabs negotiates volume pricing with Quest Diagnostics and passes the savings to customers. QuestDirect uses retail consumer pricing, which includes higher margins.

Are the results the same quality?

Yes. The tests are processed in the same Quest Diagnostics labs using the same equipment and procedures. The quality is identical.

Can I use my Quest patient service center with JustLabs?

Yes. After ordering on JustLabs, you receive a requisition that's accepted at any Quest Diagnostics patient service center nationwide.

JustLabs vs Quest Direct: Same Labs, Lower Prices

TL;DR

JustLabs vs Quest Direct: same Quest Diagnostics labs, different prices. JustLabs negotiates volume pricing that is typically 40-70% less than Quest Direct's consumer prices, with identical test quality and turnaround time.

Side-by-Side Comparison

Feature	JustLabs	Quest Diagnostics (QuestDirect)
TSH Test Price	$8	$36 (QuestDirect)
Lipid Panel Price	$7	$39 (QuestDirect)
Vitamin D Price	$22	$55 (QuestDirect)
HbA1c Price	$7	$36 (QuestDirect)
Doctor Order Required	No — physician included	No — physician included
Draw Locations	2,200+ Quest locations	2,200+ Quest locations (same network)
Turnaround Time	1-2 business days	1-2 business days
Lab Processing	Quest Diagnostics	Quest Diagnostics (same labs)

Same Labs, Different Prices

Both JustLabs and QuestDirect send your blood to the exact same Quest Diagnostics labs. The difference is purely pricing. JustLabs passes on volume-negotiated rates, making the same tests significantly cheaper. A basic thyroid panel that costs $108 on QuestDirect is $25 on JustLabs.

Test Selection

QuestDirect offers a curated set of consumer-focused test packages. JustLabs offers individual tests and custom panels, giving you more flexibility to order exactly what you need without paying for bundled tests you don't want.

Results Experience

Both platforms deliver results electronically. JustLabs results are available in your online account. QuestDirect results are available through the MyQuest portal. Both typically deliver results within 1-2 business days.

When JustLabs Makes Sense

You want the same Quest Diagnostics quality at a lower price
You prefer ordering individual tests rather than bundles
You're a repeat customer ordering regular monitoring labs
You're paying out of pocket and every dollar matters

See Detailed Pricing

Tsh Blood Test Cost Vitamin D Test Cost A1c Test Cost

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Frequently Asked Questions

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This is an independent comparison. Quest Diagnostics® and QuestDirect® are registered trademarks of Quest Diagnostics Incorporated. JustLabs partners with Quest Diagnostics for lab services but is not owned by or affiliated with Quest Diagnostics' direct-to-consumer division. Prices are accurate as of March 2026 and subject to change.