Urea Nitrogen (BUN) Build info

Synonyms

• BUN
• BLOOD
• BLOOD UREA NITROGEN
• LAB140

Short Name

BUN

Procedure Master Number

LAB140

Procedure ID

928

Clinical Info

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Submit only 1 of the following specimens:
 
Plasma
Container/Tube:  Mint green-top (lithium heparin gel) tube(s)
Specimen:  1 mL of lithium heparin plasma
Transport Temperature:  Refrigerate
Collection Instructions:
Note:  1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
 
Serum
Container/Tube:  Gold-top tube(s)
Specimen:  1 mL of serum
Transport Temperature:  Refrigerate
Collection Instructions:
Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

Transport Instructions

Refrigerate

Specimen Stability

7 days Room Temperature
7 days Refrigerated
1 year Frozen

Methodology

Kinetic, Urease

Days Performed

Monday - Sunday, Continuously

Performing Laboratory

Northwell Health Laboratories

CPT

84520

PDM

5300025

Results