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HelpTest ID NBLD0184 Urea Nitrogen, Quant 24 Hour Urine
Specimen Type/Requirements
24 Hour Urine Container - Urine aliquot from a well mixed and measured 24 Hour Urine (preferred)
24 Hour Urine Container - Complete 24 Hour Urine Collection (also acceptable)
Refrigerate during collection. Record total volume on
specimen and order.
See 24-Hour Urine Collection Instructions English
See 24-Hour Urine Collection Instructions Spanish
Test is not affected by hemolysis or lipemia.
Specimen Volume
| Preferred Volume | 10.0 mL |
|---|
Stability/Transport
| Room Temperature | 2 days | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | 1 month |
Performed Test Frequency
Monday through Sunday
Methodology
Urease – Spectrophotometric
Performing Lab
Sanford Laboratories Sioux Falls
CPT
84540