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Tau protein
Lab code: TAUPRT
 
Test Synonyms:
Tau protein; Beta-transferrin
 
Lab:
Immunology
Inpatient Req:
Core Lab (#84927)  
Outpatient Req:
Clinical Labs (#83608)  
Specimen:
Fluid
5 ml fluid in Red Top. A serum sample (5 ml blood in a gold top tube) should also be sent for comparison.
Result Time:
1-3 days   Cost: $$
Reference Interval:
 
Important Information:
This test is performed to determine the origin of a fluid. The presence of Tau protein (beta transferrin) is indicative of the fluid being CSF.