|Clear top tube
Call laboratory for additional acceptable specimen collection containers.
3.0 mL urine, random sample; no preservatives
24 hrs/day, 7 days a week, including holidays.
1 hour (upon receipt in laboratory)
Units are mEq/L.
No established reference range for random urine potassium measurement.
This test is also performed in the Iowa
River Landing (IRL) clinical laboratory (for specimens drawn at that
Ion Selective Electrode