Our Locations
No appointments. No hassle. Our two convenient Oregon collection sites are designed to get you in, out, and on with your day. We know your time is valuable, so while we don’t take reservations, you can count on a walk-in experience that’s quick and efficient. Our doors are open — and we’re ready when you are.
Specimen Collection Services
- Handling of Electronic Chain of Custody Forms (eCCFs)
- Hair Testing
- Oral Fluid (Saliva) Testing
- Urine Testing
- Male- and Female-Observed Collections
- Rapid / Instant Testing for Non-Regulated Clients
Portland, OR 97217 Map it
Drug Testing Hours:
[ Mon – Tue, Thu – Fri ]
[ Wed ]
[ Sat ]
Clackamas, OR 97015 Map it
Drug Testing Hours:
[ Tue, Thu – Fri ]
[ Wed ]
Other Collection Locations
When your workforce spans multiple locations, convenience matters. As a Gradient client, you gain access to a nationwide network of trusted collection sites — including partners like MyEscreen, FormFox, Quest, and Google — and we’ll work with you to identify the most convenient, efficient, and cost-effective site options. No matter where your employees are, Gradient ensures they have access to fast, accurate, and compliant collections that fit your schedule, your budget, and your business.
Compliance Solutions