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Test Code BUN Blood Urea Nitrogen (BUN), Serum or Plasma

Methodology

Kinetic with Urease and Glutamate Dehydrogenase

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL (pediatric:  0.2 mL) of plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time
Plasma,lithium heparin / Serum RT, spun

7 days
  Refrig., spun

7 days

 

Reference Values

Age Male (mg/dL) Female (mg/dL)
0 - 11 months 4-19 4-19
1-17 years 5-18 5-18
18-60 years 6-20 6-20
>60 8-23 8-23

 

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

ok

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

84520

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Code

Test Name LOINC Code

Blood Urea Nitrogen (BUN), Serum or Plasma

 3094-0