Test Code 730 Sodium Urine, Timed
Additional Codes
ALAB: NAUT
PowerChart: Sodium Urine Timed
MA Cerner: Urine Sodium Timed.
Test Method
MercyOne: Ion Selective Electrode Potentiometry; Beckman DxC700AU
MA: Ion-Selective Electrode (ISE) Method; Roche Cobas 6000
Specimen Requirement
0.5 mL urine is required.
Additional Specimen Collection Information
Collect a timed urine specimen, 24 hour preferred. No preservative is required. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Indicate the time period of collection on the container. Submit entire specimen for analysis. Store the urine specimen refrigerated and transport to the lab within 48 hours.
Performance
Testing is performed Monday through Sunday.
Typically assayed within 2 hours after the specimen arrives at the testing site.
Reference Values
43-217 meq/24 hours
- Timed urine collection are reported in meq/24 Hours regardless of collection time.
CPT Code Information
82436 Chemistry: Sodium, urine
Useful For
Assessing acid-base balance, water balance, water intoxication, and dehydration
LOINC Code Information
2956-1 Sodium [Moles/Time] In 24 Hour Urine