Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Sodium, Urine (Timed) Order Code : UNAT
Synonyms: Na, Urine
Specimen Type: Urine
Container Type: Timed urine collection container
Required Volume: 10 mL Aliquot of a well-mixed measured 24 hour urine specimen or submit entire collection container
Minimum Volume (Pediatric): 5 mL
Methodology: Indirect ISE (Ion-Specific Electrode)
Standard Run Times: 24 Hours per Day
Turnaround Time: 24 hours/next day
Special Handling: See Patient Collection Instructions for 24-Hour/Timed Urine collection in General Laboratory Information Section of the LabGuide. Refrigerated during collection and transport. Mix well, measure total volume and submit aliquot. Record total volume and collection time interval on aliquot label and on test request form or submit entire specimen collected. Record collection time interval on specimen container label and on test request form.
CPT Codes: 84300
LPCH EPIC Code: LAB445
SHC EPIC Code: LABUNAT
Department: Chemistry