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Test Code SP TRAN CF Beta 2 Transferrin

Important Note

CSF and blood must be collected within two days of each other to perform testing.

Clinical System Name

Beta 2 Transferrin


Beta 2 Transferrin
Beta2 Transferrin


Transferrin Specific-CSF

Beta Transferrin-CSF

Beta-2 Transferrin

Sample Requirements

Specimen: Whole Blood AND Fluid

Container(s): Red AND Sterile Screw-Capped Container

Preferred Vol: 3.0 mL Whole Blood AND 0.5 mL Fluid

Minimum Vol: 0.5 mL Whole Blood AND 0.2 mL Fluid


Note: Collect fluid in sterile screw-capped container AND 3.0 mL blood in RED tube. Failure to provide both serum and fluid will result in cancellation of this test. Specify fluid type on requisition. Blood can also be collected in Dark Green/Sodium Heparin, Lavender/EDTA, and Lt. Blue/Citrate tubes, but Red is preferred.

Note: CSF and blood must be collected within two days of each other to perform testing.


Specimen Type Temperature Time
  Room temp  



STAT Performed TAT
N M - F 3 - 5 d


Processing Instructions

Reject due to: CSF: if specimen type is indicated as CSF, the ordering physician must be contacted for verification of actual specimen type.

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Spin blood. Transfer 0.5 mL serum to plastic aliquot tube. Aliquot unspun fluid if necessary. Both tubes should be affixed with a large Cerner label and stored in the CPA refrigerator Send Outs rack.


Off-site collection: Centrifuge blood and aliquot. Aliquot unspun fluid if necessary. Transport refrigerated.

Performing Laboratory

University of Washington Medical Center

Department of Laboratory Medicine

Immunology Laboratory

1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 520-4600


Department: Send Outs

Phone Number: (206) 987-2563


Method: None Specified

Analytical Volume: 0.2 mL Fluid AND 0.2 mL Serum/Plasma


Reference Range




CPT Codes


Send Out Instructions

Reference Test Name: CSF Specific Transferrin, Fluid
Reference Test Number: FCSTG
Instructions: Send out Monday through Friday with the UW courier.