Method Name
Ion Selective Electrode (ISE)
Aliases
Chloride, Urine 24 Hour, Chloride - 24hr Urine
Specimen Required
urine in a 24 hour urine container
Specimen Minimum Volume
entire collection of urine
Specimen Stability Information
Please keep refrigerated throughout the collection period and submit the Laboratory as soon as possible after collection has ended.
Special Instructions
Collecting a 24 hours urine sample: n 1. To start the collection, empty bladder and discard this specimen. This will be the start of the collection period. Write the date and time on the collection container. n 2. DO NOT VOID directly into the container. Void into a clean container and then pour the specimen into the 24 hour container. Keep the container refrigerated during the collection period. n 3. At precisely the same time that the collection was started 24 hours earlier, empty bladder one final time and add this specimen to the 24 hour collection container. n 4. Deliver container to the Laboratory.
Performing Laboratory
7 a.m. – 3 p.m. Turn around time is 4 hours.
Reference Values
110-250 mmol/24h hours