3231 BUN (Urea Nitrogen), Blood

Specimen Type Specimen Stability Reference Range
Serum 5 Days 2 - 8° C 7-25 mg/dL

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 1.00 mL
Min Vol: 0.50 mL

Method

Enzymatic

Schedule

Mon-Sat

Turn-Around Time

24 hrs; Also offered STAT at an additional charge

Instructions/Notes

Clinical Utility

To evaluate kidney function or monitor the effectiveness of dialysis and other treatments related to kidney disease or damage

CPT Codes

84520

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