Samples collected in a RTT or GTT must be removed from the cells within one hour for storage or transport. Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send the primary collection tube.
i-Stat: Sample must be tested within 10 minutes of collection.
Ion-Selective Electrode Potentiometry/i-Stat
1 day (sent to Marshfield)
* stat order on i-Stat run locally = Less than 2 hours
c. Electrolyte Panel