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