ADmark® Phospho-Tau/Total-Tau/A Beta42,Analysis and Interp,CSF(Symptomatic)

Test Code

Test Details

Test code: 177
Type of disorder: Dementia
Disease(s) tested for: Alzheimer's Disease
Profiles that contain this test:

Technical Information

Clinical Significance: Correlates levels of Phosphorylated-Tau protein, Total-Tau protein and AΒ42 peptide in CSF

Typical Presentation: Dementia

Indications for testing: Dementia
Methodology: ELISA
Reference Range: Correlation of levels of markers of Phosphorylated-Tau, Total-Tau, and Ab42

CPT Coding

The CPT codes provided 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 payer being billed.

CPT: 83520(3)

Specimen Requirements

Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Specimen Type: Cerebrospinal Fluid (CSF)
Specimen Stability: Room temperature: 72 hours, Refrigerated: 21 days, Frozen: 4 months
Specimen Requirements: 2 mL (0.5 mL minimum) CSF collected in a polypropylene tube
Instructions: Tubes other than polypropylene are not acceptable.

Shipping Considerations

Transport Temperature: Frozen
Set-up/Analytic Time: 7-14 days

Additional Resources

Letters of Medical Necessity

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