Evaluation of electrolyte balance, hyperosmolar status and hydration status
No established reference range for fluid osmolality samples.
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Collect body fluid in clean container with no preservative (SST or red top tube, Vacutainer® tubes are also acceptable). Refrigerate. Body fluid must be of liquid consistency for analysis. Watery stool sample acceptable.