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HelpTest ID BLOD0963 Dialysis Urea Reduction Ration
AKA
Pre BUN, Post BUN
Specimen Type/Requirements
Green (Lithium Heparin) Tube – preferred
Gold (SST Serum) Tube
Specimen Volume
| Preferred Volume | 1 mL plasma or serum |
| Minimum Volume | 0.5 mL plasma or serum |
Stability/Transport
| Room Temperature | 7 days | |
| Refrigerated | 7 days | Preferred for Transport |
| Frozen | 1 year |
Performed Test Frequency
Monday-Sunday
Performing Lab
Sanford Laboratories-Bemidji
Methodology
Urease
CPT
84250