← UIBC Uric Acid → Urea Nitrogen Assays > Urea Nitrogen Also Known As: BUN HCPCS Code: 84520 Modifier: QW Reimbursement: $5.43 Laboratory Instruments w/ Urea Nitrogen: Siemens Dimension EXL 200 Beckman Coulter AU2700 Beckman Coulter AU680 Beckman Coulter AU480 Post a Comment Cancel replyYour email is kept private. Required fields are marked *Comment * Name * Email * Website Type in the text displayed above Δ