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HelpCatalog ID Urine Na Sodium (Urine)
CPOE Test Name
Urine Sodium; Urine 24 Hour Sodium; Urine Sodium Timed-Not 24 Hour
Synonyms
UR Na; U24 Na; UT Na
Specimen Type
Urine
Specimen Requirements
Random: Clear Top Urine Tube; 8 mL urine
24 hour collection or timed urine specimen: Collection jug
Storage and Transport
Refrigerate during 24 hour collection.
Reference Values
40 – 220 mEq/collection period
Causes for Rejection
Improper labeling; leaking; use of preservatives; no record of start/stop time on 24-hour collections
Turn Around Time
Urgent/Emergent 1 hour; Routine daily
CPT / HCPCS Code
84300
Performing Lab
Core Laboratory AD3301 721-2120
Special Instructions
State date/time collection started and finished on requisition.