As one of the largest laboratories in the region, Regional Medical Laboratory has provided detailed, accurate lab test results for more than a quarter century.

Regional Medical Laboratory (RML) is a commercial reference laboratory and wholly owned subsidiary of the St. John Health System.


RML is committed to providing the most comprehensive, high quality laboratory services in the region. Our top priorities are customer convenience and the timely delivery of accurate results.


With its primary facility on the campus of St. John Medical Center in Tulsa, RML also hosts several satellite locations throughout northeast Oklahoma including Owasso, Claremore and Bartlesville.


For more about Regional Medical Laboratory, the tests we offer or patient service centers, click here.