ADmark Alzheimer's Evaluation, CSF - LG6763


Sunquest Code:LSMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Methodology:ELISA, Restriction Fragment Length Polymorphism (RFLP)
Turnaround Time:Specimens are sent to the reference laboratory Mon-Fri; results are reported within 14-21 days.
Special Instructions:Athena does not perform ApoE testing for individuals under the age of 18. Send both CSF and whole blood.


Collection Instructions

Specimen:CSF and whole blood
Optimal Volume:2 mL CSF and 8 mL whole blood
Minimum\Peds Volume:0.5 mL CSF and 6 mL whole blood
Container:Sterile tube (Purple (EDTA))
Collection Instructions:Both CSF and whole blood sample are required for testing.
Causes for Rejection:Tubes other than polypropylene are not acceptable for CSF.


Processing and Shipping

Specimen Processing:Transfer 2 mL; 0.5 mL minimum CSF into a polypropylene tube. Store CSF refrigerated or frozen. Store whole blood in original container at room temperature.
Shipping Instructions:Ship CSF on cold packs or frozen. Ship whole blood at room temperature or refrigerated. Do not freeze whole blood.
Stability:CSF: 72 hours at room temperature; 21 days refrigerated; 4 months frozen.
Blood: 10 days at room temperature or refrigerated. Do not freeze.
Test Performed at or Referral Lab Lab Sendouts  (Athena Diagnostics)
Referral Lab number:178


Interpretive

Reference Range:Correlation of levels of markers of Phosphorylated-Tau, Total-Tau and Ab42, presence of ApoE2, E3, E4 alleles.
Use:Detection of ApoE2, E3, E4 alleles and levels of Phosphorylated-Tau protein, Total-Tau protein, and Ab42.


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