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Test Code SP TRAN CF Beta 2 Transferrin

Clinical System Name

Beta 2 Transferrin


Beta 2 Transferrin
Beta Transferrin
CSF Specific 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 container plus  3 mL blood in RED TOP 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, EDTA Lav, and Lt. Blue Top/Citrate tubes, but Red Top is preferred.


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


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 computer label and stored in the CPA refrigerator send-outs rack.


Off-site collection: Spin blood & aliquot . Aliquot unspun fluid if necessary. Transport refrigerated.


Specimen Type Temperature Time
  Room temp  



STAT Performed TAT
N Collected daily, performed M - F, for specimens in lab by 5:30AM 3 - 5 d


Performing Laboratory

University of Washington

Dept of Laboratory Medicine

UW Immunology

1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 520-4600


Department:  Send Outs


Phone Number: (206) 987-2563

Reference Range







Method: None None specified

Analytical Volume: None specified


CPT Codes


Send Out Instructions


Reference Test Name: CSF Specific Transferrin
Reference Test Number: FCSTG
Instructions: Send out M - F with the UW courier.