Lab Testing in Colorado

Find same-day diagnostic testing locations across Colorado. Browse by city to find blood tests, STD testing, allergy panels and more.

✓ 10 Cities Served ✓ Same-Day Testing ✓ No Referral Needed

Cities in Colorado

Click any city to browse all available tests and lab locations:

Denver

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194+ tests available

Colorado Springs

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194+ tests available

Aurora

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194+ tests available

Fort Collins

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194+ tests available

Lakewood

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194+ tests available

Thornton

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194+ tests available

Westminster

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194+ tests available

Pueblo

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194+ tests available

Centennial

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194+ tests available

Boulder

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194+ tests available

Popular Test Categories

About Colorado Testing

Colorado allows direct-to-consumer lab testing with no doctor's referral required. We partner with major lab networks across the state.

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Frequently Asked Questions

Do I need a doctor's referral in Colorado?

No referral is required for most lab tests in Colorado. You can order tests directly online and visit a participating lab location.

How quickly will I receive results?

Most results are available within 1-3 business days. You'll receive an email notification when your results are ready in your secure online portal.

Which lab locations can I use in Colorado?

We partner with Quest Diagnostics and LabCorp locations across Colorado. After ordering, you'll receive a lab requisition form to take to any participating location.