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Epic Code LAB1230092 Urea Nitrogen Clearance, Urea Nitrogen Serum

Test Name Alias

Urea Nitrogen ser urclear | LAB2111177 | 9118

Interface Order Alias

1230092

Specimen Requirements

Submit only one of the following specimens:


Preferred
Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hours


Acceptable
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

Specimen Transport Temperature

Refrigerate

Special Instructions

This test to be used with 24 hour Urea Nitrogen Clearance only when plasma/serum urea nitrogen is not already included in an accompanying panel

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available daily, usual TAT 1 day

Reference Range

0 up to 3 Months: 4 - 16 mg/dL
3 Months up to16 Years: 6 – 18 mg/dL
16 Years up to 150 Years: 8 – 20 mg/dL

 

Laboratory Critical Values Table

Performing Department

CHEMISTRY

Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI
Spectrum Health Pennock Laboratory, Hastings, MI

Methodology

Urease/Glutamate Dehydrogenase (GLDH)

CPT

84545

CDM Code

4058154

Epic Test ID

1230101255

LOINC

Urea Nitrogen: 3094-0

Reviewed Date

3/5/2020

Beaker Names

Beaker Procedure Name: UREA NITROGEN CLEARANCE
Beaker Display Name: Urea Nitrogen Clearance
BEAKER TEST NAME: BUN
BEAKER TEST REPORT NAME: BUN

Beaker Collection and Specimen Handling

Multiple locations, Multiple departments – See individual tests

Beaker Location, Container and Temperature

Multiple locations, Multiple departments – See individual tests