SODIUM, 24 HOUR URINE

Synonyms: Na, 24 Hour Urine
Computer Code: 24UNA
Specimen Collection: 24 hour urine in plain bottle or boric acid bottle. Refrigerate during collection.
Minimum Volume: 0.5 mL
Handling Instructions for Offsite Areas: Record total volume and collection period (hours) on requisition. Send 50 mL aliquot. Refrigerate.
Reference Values: 40-220 MEQ/24 hr (diet dependent)
Lab Code: CC
Requisition: URINE
Test Frequency: Daily
Routine TAT: 4 hrs
Stat TAT: 2 hrs
CPT Code(s): 84300
LCD or NCD:
Methodology Used:
See Addendum XVII