Protein, Timed Urine

Sunquest Code:UTPT  
Epic Code:LAB440Epic Name:Protein Timed Urine
Order Instructions:Order UCRT in addition to UTPT. Enter collection volume and duration.
Synonyms:Urine Protein/Creatinine Ratio; Urine, Timed; 24 Hour Urine; UTPT
Methodology:Bichromatic end point
Test Includes:Protein and creatinine.
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Urine Collection Procedure

Collection Instructions

Specimen:Urine, timed collection (20 to 28 hours). If using test to diagnose orthostatic proteinuria, collect two 12 hour collections: one DAY and one NIGHT and order UTPT/LAB440 twice
Optimal Volume:Submit entire collection; analysis requires 1 mL
Container:3 L plastic jug
Collection Instructions:Place specimen on ice or in refrigerator during collection.
Causes for Rejection:Specimen collected with acetic acid, thymol, or sodium fluoride preservative.

Processing and Shipping

Specimen Processing:If two or more containers are received, verify that they are for the same collection time before combining. Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:24 hours at room temperature; 3 days refrigerated.
Test Performed at or Referral Lab Chemistry  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center)


Reference Range:0-0.2 g/g creatinine; 0.04-0.23 g/24 hours
Use:Quantitative evaluation of proteinuria; evaluate renal diseases, hypoproteinemia, monitor renal transplant.

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