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