Sign in →

Test Code 62870879 BUN

Performing Laboratory

Torrance Memorial Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Hospital Preferred Specimen Type: Plasma

Container/Tube: Lithium heparin gel

 

Outreach Preferred Specimen Type: Serum

Container/Tube: Serum gel

 

Spin Instructions:

Serum gel:  Allow to sit for 30 minutes prior to spinning.  Spin within 2 hours of collection.

Heparin plasma: Spin within 45 minutes of collection.   

Also acceptable:  Red top tube

Specimen Transport Temperature

Ambient

 

Storage Temp Stability:

Room Temperature:  7 days
Refrigerated Temperature: 7 days

Methodology

Urease with GLDH

Reference Range

New reference range effective 6/22/2021

Females:  7 - 20.1 mg/dL
Males:  8.4 -25.7 mg/dL

 

Reference range changed February 1, 2018

Day(s) Test Set up/TAT

Performed:

Daily

Available STAT

TAT:

STAT: <1 hr

Routine: < 4 hrs

Aliases

None

CPT Code

84520