The book "Interpretation of laboratory investigations in intensive care" incorporates wide variety of clinical conditions requiring admission in the intensive care unit that necessitate timely performance of diagnostic tests and their correct interpretation to guide the best treatment. The book tries to translate the complex physiological principles and diagnostic algorithms into clinically relevant format that can be easily understood by the clinicians. It also explains at length the key clinical inputs to be acquired by the laboratory physicians before reporting the results and tries to solve the common dilemmas leading to misinterpretation. The importance of every detail starting from sample collection, despatch and correlation of report with the clinical state has been adequately explained with suitable examples and proper explanations.