Test Code P1433/P1433-M 
Test 14-3-3 Protein CSF 
Methodology Immunochemiluminometric Assay (ICMA) 
Description Useful for supporting, in conjunction with other tests, a diagnosis of Creutzfeldt-Jakob disease in patients with rapidly progressive dementia when other neurodegenerative conditions have been excluded. 
Specimen CSF

Specimen Volume: 1 mL

Collection Instructions:

1. Obtain aliquot from second collection vial.

2. Immediately place aliquot on ice.

Additional Information:

1. Specimens that have not been kept refrigerated, or which have been tested for other analytes previously, may give a false-positive result.

2. Hemolyzed specimens will give false-positive results. Specimens should be centrifuged to remove any red cells before shipping. The test will be canceled if there is any level of hemolysis present.

Forms: If not ordering electronically, complete, print, and send a Neurology Test Request Form-General (T732) with the specimen 

Reference Values Normal: < or =2.0 ng/mL

Elevated: >2.0 ng/mL

Neurology Form 

Analytic Time 6 Days 
Day(s) Test Set Up Monday, Thursday: 2 p.m. 
CPT Code(s) 83520