Researchers show that advanced lipoprotein testing methods do not yet provide equivalent results for the measurement of non-HDL-P and apoB-100.

Most institutes have respiratory therapists (RTs) collect arterial blood gases, but venous samples are collected by RTs, phlebotomists, nurses, or lab assistants depending on the place. The testing itself is usually run either by RTs or the core lab. Outliers include one institute that has specialized phlebotomists collect all blood gases to be run in a stat lab, and another that follows different protocols for samples from ED/inpatients versus OR patients.

Evaluating parathyroid hormone (PTH) levels during parathyroid gland surgery confirms successful resection of the gland, but existing lab-based assays are often time-consuming and require large volumes of blood.