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Test Code BUNR Urea Nitrogen (BUN) - River Parishes 

Additional Codes

Epic EAP: LAB140

Epic Description: UREA NITROGEN (BUN)

This Soft code is for River Parishes only. All other sites order BUN (LAB140).

Synonym

BUN

Specimen Type

Blood

Specimen Required

 

 

  Collection Container Preferred Volume Minimum Volume
Preferred

Green, Lithium Heparin with Inert Gel

4.5 mL 0.5 mL
Alternate Gold, Clot Activator with Inert Gel OR Red, No Anticoagulant, No gel 4.5 mL 0.5 mL
Preferred Micropuncture Green Micro, Lithium Heparin with Inert Gel 2 X 0.6 mL 1 X 0.6 mL
Alternate Micropuncture Gold Micro, Clot Activator with Inert Gel 2 X 0.6 mL 1 X 0.6 mL

 

Instructions for Collection and Transport

Centrifuge specimen and remove serum/plasma from cellular material within 4 hours of collection. For non-gel tubes, aliquot plasma or serum into plastic vial. Transport refrigerated on freeze packs. If holding overnight, aliquot plasma or serum into a plastic vial and refrigerate.

Aliquot Requirements

Plasma or serum

Optimum 3.0 mL

Minimum 0.25 mL

Performing Lab

Chemistry Lab

Assay Frequency

24 hours

Routine Turnaround Time

1 day

CSR Storage Requirements

Centrifuge specimen. For non-gel tubes, aliquot plasma or serum into plastic vial. Transport to laboratory. If holding overnight, aliquot plasma or serum into a plastic vial and refrigerate.

CPT Code Information

84520