Blood Urea Nitrogen

Overview

  • EPIC Code:
  • LAB140
  • Soft Test Code:
  • BUN
Alternate Names
  • BUN

Specimen Collection & Preparation

Specimen Requirements

1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin (preferred)
or
1.0 mL Serum in a SST Gold Top Tube

Alternate Specimen

1.0 mL Serum from a Red Top Tube in a Plastic Vial 
or
1.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
This alternative specimen is only an option at the PHH, PLH, PNH, PVH, and PWH
or 
1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial

TransportAndStorage

7 days Refrigerated

72 hours unspun

Collection Instructions

 

Clinical Interpretation

Reference Range:

Pediatric
1 day to 5 days: 5 - 17 mg/dL
5 days to 14 years: 7 - 17 mg/dL
14 years to 20 years: 7 - 21 mg/dL

Male > 20 years: 9 -21 mg/dL
Female > 20 years: 7 - 18 mg/dl 


Critical Ranges:

Infants in a PH Neonatal Intensive Care Units (NICU): 
>50 mg/dL

Pediatric to Adult
>100 mg/dL


Methodology:
  • Photometric

Production Schedule

Sites Performed
  • Parkview Cancer Institute
  • Parkview Heart Institute
  • Parkview Kosciusko Hospital
  • Parkview LaGrange Hospital
  • Parkview Noble Hospital
  • Parkview Randallia Hospital
  • Parkview Regional Medical Center
  • Parkview Southwest
  • Parkview Wabash Hospital
  • Parkview Whitley Hospital
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Stat Eligible

Coding & Compliance

CDM

01420102


CPT Coding

84520