A variety of drug screening services are provided which range from collection only to rapid in-house testing of up to 12-panels. Available testing includes screening for substances through urine, blood, saliva, and hair upon request. Breath alcohol testing can be performed as well. Companies may customize their specific needs for the services offered by CareFirst. Drug screning services are done in accordance with OSHA certifications and all the standards of the Department of Transportation and any other governmental regulatory agencies.