Laboratory reference ranges reflect methods, populations, and policies, and experienced clinicians interpret them in context rather than applying fixed cutoffs theoretically.

New findings from the RECOVER-Adult cohort study show that 25 routine clinical lab tests are not effective in diagnosing postacute sequelae of SARS-CoV-2 infection, echoing results from earlier ...

Run-of-the mill? Middle of the road? Typical? The chance that you are correct is vanishingly small. If you're a clinician, like me, you get a LOT of medical questions. While we've all been asked to ...

Medscape Pathology & Laboratory Medicine Editorial Director David Danar, MD, interviewed George D. Lundberg, MD, about the history of the concept of critical values and his perspective on the past ...

Prepared by: G. Margaret Rourke, M.S., chief clinical chemist, and Lot B. Page, M.D., acting director, Chemical Laboratory; M. Althea King, chief technologist ...