Urea Nitrogen Clearance

Create a Free Account to View Prices

Category:

Turnaround Time: Within 1 day
CPT Code:

84545

Test Type: 1 mL serum and 10 mL urine aliquot (24 hour)
Stability Time:

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3
Reference Range:

BUN mg/dL 6 - 24
Urea Clearance mL/min 40 – 100
Urea Nitrogen, U mg/dL Not Estab.
Urea Nitrogen, 24hr g/24 hr 5 - 22

Overview:

Renal function test.

Collection Details:

Collection Instructions:

Must be a timed collection.

Gel-barrier tube or transport tube and plastic urine container.

Serum must be drawn during urine collection. Separate serum from cells within 45 minutes of collection.

Maintain specimen at room temperature.