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Test Code UUN UREA NITROGEN, URINE 24HR

Important Note

Keep urine refrigerated

Performing Location

Southwestern Vermont Medical Center

Specimen Required/Volume

10.0 mL

Specimen Type

Urine

Collection Container

24 HR Urine Collection Container

Collection Instructions

Refer to Urine Collection Protocols

Reference Values

24 HR Urine: 7 – 20 g/day

Turn-Around Guidelines

Upon arrival

Method

Kinetic test with urease and GLDH - Roche cobas

LOINC

12967-6

CPT

84540 - Urine Urea Nitrogen

+ 81050 - Total Volume measurement