TEST DISCONTINUED
Beta 2 Transferrin
Order Code: BETA2
Fee Code: AA727 (CPT 86335)
Reference Laboratory: Mayo BETA2
Mayo Clinic Laboratories has discontinued their Beta 2 Transferrin, detection of CSF in other body fluid assay effective May 9, 2023, due to availability of an automated methodology for Beta-Trace Protein. This test has been replaced by Beta-Trace Protein, Body Fluid (Mayo test ID BTPBF).
Collection Instructions: Place 1 mL (minimum 0.5 mL) of fluid into sterile container, syringe (with needle removed), or test tube (preferred). If submitting a syringe, remove needle and add cap to end of syringe. If preferred collection is not feasible specimen may be collected using a plain cotton swab or pledget, or gauze (circle area on the gauze where specimen was collected) and place in a sterile container or test tube. Do not collect specimen with a culture swab. Do not add any additional liquid other than specimen to the swab or gauze. Store and transport refrigerated.
Reference Range: <5 mg/L: negative for CSF, 5-7 mg/L: indeterminate for presence of CSF; >7 mg/L: consistent with the presence of CSF.