Point-of-care testing, or testing done near the patient, allows for rapid results that can theoretically improve patient care and client satisfaction. The value of these results relies on high-quality laboratory practices, including an understanding of the technology by users. Herein is a brief review of point-of-care testing for biochemistry, hematology, coagulation, blood gas analysis, glucometers, and urinalysis, along with available technology with a focus on what information these analyzers can and cannot provide.