RML provides onsite in-patient laboratory services for St. John Medical Center in Tulsa, Oklahoma as well as out-patient laboratory services for other hospitals, clinics and physician offices in the Tulsa Metropolitan area, Northeastern Oklahoma and Southeast Kansas. Our well-trained staff strives to make patients feel as comfortable as possible. We have many collection sites around the Tulsa area for added convenience. Our eight technical departments within the laboratory provide you with consistent, reliable results for cost-effective health care. We also have a fully staffed business office to handle your billing questions and needs.