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ADmark phospho-Tau/total-Tau/Ab42-994

Test info

Test name:

ADmark phospho-Tau/total-Tau/Ab42

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

ADEVEL
Alzheimer's disease
Alzheimer disease evaluation
Amyloid Beta 42
beta-amyloid (1-42 Abeta 42)
Phosphorylated Tau
p-Tau
p-Tau/Abeta42 ratio
t-Tau

Specimen

Specimen type:

Cerebrospinal fluid (CSF)

Collection container:

Sterile vial/container

Volume:

2.0 mL

Minimum volume:

0.5 mL

Processing instructions:

Transfer 2.0 mL (minimum 0.5 mL) CSF into a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)
Freeze within 4 hours of collection

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Transport and stability:

Frozen (preferred) - 4 months

Ambient - 72 hours

Refrigerated - 21 days

Reason for rejection:

Tubes other than polypropylene

Performance

Performing lab:

Athena Diagnostics (177) via LabCorp (009985): R-NX

Days set up:

Varies

TAT:

7 - 14 days

Method:

Enzyme Linked Immunosorbent Assay (ELISA)

Clinical and Interpretive info

Reference ranges:

Correlation of levels of markers of Phosphorylated-Tau, Total-Tau, and Ab42

Clinical information:

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

Typical Presentation: Dementia

Indications for testing: Dementia

Billing

CPT codes:

83520 x 3

Tracking

Date created:

03/09/2015

Revised date:

08/07/2020

Review date:

07/13/2020