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Our Services
Convenient and professional lab collections done at your location—no long waits.
Boost wellness with hydration therapy, weight support, and lead exposure screening — $399/package
Quick infectious disease testing for early detection — $55/test
Mobile collection services for clinics and care facilities — $55/draw
On-site fingerprinting for background checks and licenses — $50/card
Get Involved
We’re committed to making DNA testing, drug screening, and mobile health services accessible in every community.
Your referrals, partnerships, and support help families, employers, and individuals get the reliable services they need — fast, secure, and professional.
Let’s work together to create a healthier, more supported future.
Voices
"As a service coordinator, I’ve worked with many organizations—Criswell stands out. Their commitment to access and equity is unmatched. They’re changing lives with heart and expertise."
Jaden Thompson
"Needed urgent drug screening for a new hire — they handled it professionally and quickly. Definitely using their services again for our team."
David L.
Diagnostic Wellness Lab provides fast, reliable health testing services including drug screens, DNA testing, mobile blood draws, and more — all designed for your convenience and peace of mind.
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"I used their paternity DNA test for a legal case — results were fast and court-ready. The team explained everything clearly and made the process stress-free."
Michael R.