Sodium, Timed Urine


Abbrev Code:UNAT   
Order Code:LAB445Order Name:Sodium Timed Urine
Synonyms:UNAT
Methodology:Roche: Indirect ion selective electrode
Vista: Indiret potentiometric
CPT Codes: 84300 x1, 84300 x1, 81050 x1
Test Includes:Sodium urine mmol/L; sodium urine mmol/spec; duration in hours; volume in mL
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Urine Collection Procedure, Roche Go Live Schedule



Collection Instructions

Specimen:Urine, timed collection (20 to 28 hours)
Optimal Volume:Submit entire collection; analysis requires 0.2 mL
Container:3 L plastic jug


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 5 mL, 0.2 mL minimum. Store in refrigerator.
Centrifuge specimens containing red cells or precipitate. Urine containing bladder fluid is acceptable. Enter coded comment IRRFL (urine contains bladder irrigation fluid).
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 14 days at room temperature or refrigerated; indefinitely frozen.
Vista: 1 week at room temperature; 1 week refrigerated; 1 year frozen.
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, UMMC/UMMCH-West Bank)


Interpretive

Reference Range:Urine Chemistry Reference Ranges


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