MedLabExams offers on-site and mobile services for various DNA Screenings, Drug testing (DOT- and Non-DOT collections), On-Demand lab testing and Paramedical exams in Riverside, San Bernardino and Orange counties, California. ***For Employers*** Drug and Alcohol Testing Services: Please Contact Us to request Pre-Employment, Random, Post-Accident, Return to Duty, Follow-up and others collections. We are able to arrange convenient appointments for performing specimen collections and/or paramed exams at your home, workplace, or in our lab. We have extremely short turnaround time because of the 24/7 availability and effectiveness of our appointment scheduling system (phone, text or online). We work extended hours from 7 am to 7 pm including weekends and holidays. ***On-Demand Lab Testing and Blood Work*** We perform lab work with or without doctor order. We approved to work with CRL, LabCorp, and Quest Diagnostics to complete your tests. We send your specimens to Lab immediately. Per your request, your results will be mailed directly to you with a brief explanation or to your doctor's office. Call (909) 831-1083 or email us for more information and appointment scheduling. ***For Insurance Agents*** Please use this website to accelerate Paramedical Exam scheduling and execution. For your convenience, please find details about exam preparation here.