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ADmark® Phospho-Tau/Total-Tau/A Beta42,Analysis and Interp,CSF(Symptomatic)
Test Code92433
CPT Codes
83520 (x3)
Preferred Specimen
2 mL CSF collected in a polypropylene transfer tube
Minimum Volume
0.5 mL
Instructions
Tubes other than polypropylene are not acceptable.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Transport Container
Polypropylene transfer tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: 72 hours
Refrigerated: 21 days
Frozen: 4 months
Refrigerated: 21 days
Frozen: 4 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
CSF samples that arrive in non-polypropylene tubes • CSF specimens with cell count >500 erythrocytes/mm3
Methodology
Enzyme Linked Immunosorbent Immunoassay (ELISA)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Fri; Report Available: 14 days
Report Available
14 Days
Reference Range
See Laboratory Report
Clinical Significance
Correlates levels of Phosphorylated-TAU protein, Total-TAU protein and AB42 peptide in CSF.
Performing Laboratory
Athena Diagnostics, Inc.
Four Biotech Park
377 Plantation Street
Worcester, MA 01605