This is the single most helpful book I have in regards to my profession as a Med tech

This book goes beyond a "lab" book, encompassing etiologies, algorithms on further evaluation, and pathophysiology. Inside you can find, for example, the incidence of neonatal conjunctivitis in mothers with chylamydial infections, clinical features of primary biliary cirrhosis, and diagrams of the red blood cell reactions in indirect vs direct Coombs reactions. I first bought this book as a medical student when I spent over an hour doing a lit search on immunoglobulins and the intern found a better answer the next day in one second by opening this book. Definitely worth the purchase price! There is a 2002 version of this book and it includes reference articles after each lab test entry. P.S. Now exists in a PDA version, too.