Urea Nitrogen (BUN)

What it measures

• Urea Nitrogen (BUN)LOINC 3094-0

Specimen

Specimen

1 mL serum

Minimum volume

0.5 mL

Also accepted

Sodium heparin (green-top) tube • Lithium heparin (green-top) tube

Container

Serum separator tube (SST)

Temperature

Room temperature

Turnaround

Set up: Mon-Fri; Report available: 4 days

Billing

CPT 84520