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BUN (BLOOD UREA NITROGEN) (BUN)
Test CodeLAB140
Alias/See Also
BUN
CPT Codes
84520
Preferred Specimen
1 mL plasma
Transport Container
Preferred: Light green top;
Acceptable: Plain green top, Gold top, Plain red top
Acceptable: Plain green top, Gold top, Plain red top
Transport Temperature
Refrigerated
Reference Range
Newborn-1y: 4-19 mg/dL;
1y-17y: 5-18 mg/dL;
18y-59y: 6-20 mg/dL;
60y and up: 8-23 mg/dL
1y-17y: 5-18 mg/dL;
18y-59y: 6-20 mg/dL;
60y and up: 8-23 mg/dL