Once a drug is ingested, it takes between 7 – 14 days for it to appear in the hair shaft. Every ½” of hair equals an approximate 30 day period. The standard hair follicle drug test covers a 90 day period; however, hair drug testing can be performed for shorter or longer periods of time, depending on the length of the hair.

Rapid screenings done in our facility or at the laboratory use the same methodology, enzyme-linked immunoassay. The laboratory uses an automated process to perform the screens. If a lab-based screen is presumptive positive, it can then be immediately sent to confirmation testing. Lab-based drug screens also cover confirmations and medical review, if needed. Rapid drug screen specimens can also be sent to the laboratory for confirmation if the results are presumptive positive. An additional fee is then charged for this service. Medical review is also available for an additional fee.

Yes, for an additional fee, we can send the specimen to a laboratory to confirm the presumptive positive result. Confirmation takes 48 – 72 business hours after the screen is completed. Medical Review Officer (MRO) review is also available if legally prescribed medications may be causing the positive result.

Yes. Careaccessclinicallabs® store locations offer DOT drug testing services. Personnel are DOT-qualified to collect the specimens needed to perform the test and our laboratory partners are SAMHSA certified as required by the DOT.

A drug screen is an initial test that screens for specific categories of drugs, and can be performed quickly with rapid drug testing kits. It cannot differentiate between individual drugs; therefore, a confirmation is highly recommended to confirm the screen findings. A drug test is a combination of an initial, lab-based drug screen with a confirmation if the screen is presumptive positive.