← ALT Bicarbonate → AST Assays > AST Also Known As: AST HCPCS Code: 84450 Modifier: QW Reimbursement: _Coming Soon Laboratory Instruments w/ AST: 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