This book, volume 3 of a series, addresses the postanalytical phase of the testing process. Volumes 1 and 2 cover the preanalytical and analytical phases, respectively. All 8 chapters of this last volume are interesting in principle, but strictly speaking only chapters 2 and 4 and parts of chapters 1 and 3 deal with the postanalytical testing phase. Because of the focus on US laboratories found in most of the chapters, parts of the book are less relevant to readers outside of the US. The 1st chapter provides an overview of the postanalytical phase, quality goals, and quality control. Quality systems and …