This test reevaluates renal conservation of electrolytes from a 24 hour urine collection. Its purpose is to help evaluate fluid and electrolyte imbalance, and renal and adrenal disorders.
MLLI Code: J24UCL
Sub-Unit: Immunochemistry
Specimen Container: 24 Hour Urine Container (Plain)
Specimen Type: 24 Hour Urine
Required Volume: 10ML
Patient Preparation: During the start of collection, empty the bladder and discard the first urine output. Collect all the succeeding urine voided in a 24-hour period. Keep the urine container either in a refrigerator or in an ice chest.
MLS Notes: For aliquoted sample, please indicate total volume in mL, specific gravity, date and time of start and end of collection.
Storage and Stability (Before Processing):
Storage: 2 to 8˚C
Stability: 7 days
Storage: 20 to 25˚C
Stability: 7 days
Storage: -20˚C
Stability: 7 days
Transport Temperature: Ref (2˚C – 8˚C)
Test Category: Routine
Test Schedule: Daily
Results Availability: Within 4 hours