CSF Alzheimer's Markers

Test Code

92433

Alias/See Also

CSF Alzheimer's Markers
ADMARK
92433
Alzheimer's Markers CSF
Phospho-Tau CSF

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.

Transport Container

Polypropylene transfer tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 72 hours
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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.