Statement on Forensic Use Products

Please take a moment to read our Forensic Use Only Statement about rapid screening devices.

iScreen® OFD Device


Convenient Detection. Redwood Toxicology Laboratory recognizes your need for a reliable and cost-effective oral fluid screening device. RTL's iScreen® OFD device, in combination with its lab services, provides you with a comprehensive drug test solution you can rely on.

Product Benefits

  • Eliminates need for controlled urine collection site
  • Results in under 10 minutes
  • Simple procedure

For Forensic Use Only

Any positive result obtained with this oral fluid screening test is presumptive and should be confirmed by an alternate method such as GC-MS or LC-MS/MS.

To learn more about the OFD (iScreen®) device call:


* Amphetamine, Marijuana (THC), Methamphetamine, Cocaine, Opiates and Phencyclidine.

Contact Us

Laboratory: 800-255-2159

Products: 877-444-0049

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