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HelpTest ID BLOD0963 DIALYSIS UREA REDUCTION RATIO
AKA
Pre BUN, Post BUN
Specimen Type/Requirements
Lithium heparinized plasma – preferred
Serum
Specimen Volume
1 mL
Performed Test Frequency
Monday-Sunday
Methodology
Urease
CPT
84250
Container Type
Lithium heparin – preferred
Serum w/ gel
Serum w/o gel
Minimum Volume
0.5 mL
Stability
Room Temp: 2 weeks
Refrigerated: 2 weeks
Frozen: 1 year
Transport Temperature
Refrigerated