In-Home Collection of Hair for Laboratory Analysis Drug testing A hair sample is sent to a professional laboratory for analysis with the full assurance of accuracy and anonymity. Contrary to media reports, the PDT-90 hair test is highly accurate in detecting illegal substances. Legitimate legal drugs will not cause false positive results . The PDT-90 only detects the illegal drugs listed. Not to be used for legal proceedings.
Drug abuse is a serious problem across the country.
Drug testing can identify those who need help. Early detection and intervention is the key toward recovery. The sample must be cut as close to the scalp as possible. Hair from any other part of the body other than a freshly cut sample from the head, can cause a inaccurate reading. Do not use hair from the arms, legs, pubic region, or under arm.