Test Code BUN Blood Urea Nitrogen

Performing Laboratory

Hunterdon Medical Center Laboratory

Specimen Required

Container/Tube
Acceptable	PST (Li Hep) Gel- Mint Green Top
Acceptable	SST
Specimen Volume	3.0 mL
Minimum Volume	1.0 mL

Specimen Type

Plasma/Serum

Specimen Transport Temperature

Ambient

Specimen Stability

Specimen	Temperature	Time Frame
Plasma	Refrigerated 2-8°C	7 days
Serum-gel tube	Refrigerated 2-8°C	7 days

Updated June 2020

Day(s) Test Set up

Monday through Sunday

Available STAT

Reference Values

Age	Range	Units
0-1 year	4-19	mg/dL
>1 year-18 years	5-18	mg/dL
>18 years-60 years	6-20	mg/dL
>60 years	8-23	mg/dL

Methodology

Enzymatic

CPT Code

84520

Loinc Code

3091-6