BUN (BLOOD UREA NITROGEN) (BUN)

Test Code
LAB140

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

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



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.