El Rio operates a full service laboratory department for your convenience. Lab exams ordered by your El Rio physician may be provided at our Congress and Southwest Clinics. Congress Clinic services are available Monday through Thursday 7:45am to 5:00pm and Friday 8:45am to 5:00pm. Southwest Clinic Services are available Monday through Thursday 7:45am to 4:00pm and Friday 8:45am to 4:00pm. Northwest Clinic Services are available from 7:45am to 4:00pm and on Friday 8:45am to 4:00pm except during lunch from 1:00-2:00pm daily. For your convenience we also draw lab specimens for outside laboratories as needed.