Method Name
Ion Selective Electrode (ISE)
Aliases
Sodium, Urine; Na, Sodium - 24hr Urine; Sodium - Random Urine
Specimen Required
urine in a clean, dry container for a random sample or in a 24 hour urine container for a 24 hour collection
Specimen Minimum Volume
10 mL of urine for random sample
Specimen Stability Information
Keep refrigerated during collection.
Special Instructions
No preservative is necessary.
Performing Laboratory
As ordered. Turn around time is 4 hours.
Reference Values
24 hour collection: 27 – 287 mEq/24 hours