|Urine - 24 hour/timed plastic urine container
Call laboratory for additional acceptable specimen collection containers.
24 hr collection; no preservative (or random specimen).
Collections other than 24 hr will not be calculated for mEq/24 hr.
24 hrs/day, 7 days a week, including holidays.
3 hours (upon receipt in laboratory)
130-315 mEq/24 hr
This test is also performed in the Iowa
River Landing (IRL) clinical laboratory (for specimens drawn at that
Ion Selective Electrode