Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: ADEVL
Alzheimer Disease Evaluation, Spinal Fluid
Specimen Type 
Describes the specimen type validated for testing
CSF
Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Supplies: Alzheimer’s Disease Evaluation (ADEVL) Collection Kit (T836)
Collection Container/Tube: CSF AD Biomarker Tube; specimens not collected in this tube will be rejected
Specimen Volume: 2 mL
Collection Instructions:
1. Perform lumbar puncture and discard the first 1 to 2 mL of cerebrospinal fluid (CSF).
2. Collect 2 mL of CSF directly into CSF AD Biomarker Tube. Do not aliquot. Analysis needs to be performed using collection tube.
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.
Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory
See Specimen Required
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | Reject |
| Any tube other than CSF AD Biomarker Tube | Reject |
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Frozen (preferred) | 30 days | BlueTop SARSTEDT |
| Refrigerated | 14 days | BlueTop SARSTEDT | |
| Ambient | 12 hours | BlueTop SARSTEDT |