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3016444
Phospho-Tau/Total-Tau/A Beta42, CSF
PHOSPHO T
Ordering Recommendation
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
CSF
Specimen Preparation
Transfer 2 mL CSF to an ARUP standard transport tube or other polypropylene tube within 4 hours of collection. (Min: 0.5 mL). Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport Temperature
Frozen
Unacceptable Conditions
Specimens received in polystyrene tubes. Specimens with cell count greater than 500 erythrocytes/mm3.
Remarks
Stability
Ambient: 72 hours, Refrigerated: 21 days, Frozen: 4 months
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Performed
Varies
Reported
7-19 days
Reference Interval
Interpretive Data
Compliance Category
Performed by non-ARUP Laboratory
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
83520 x3
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3016445 | Phospho-Tau/Total-Tau/A Beta42, Interp | 50398-7 |
| 3016446 | Phospho-Tau/Total-Tau/A Beta42, Results | 19146-0 |
| 3016447 | Phospho-Tau/Total-Tau/A Beta42, Comments | 8251-1 |
| 3016448 | Phospho-Tau/Total-Tau/A Beta42, Method | 49549-9 |
| 3016449 | Phospho-Tau/Total-Tau/A Beta42, Ref | 8265-1 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- AB42
- Admark
- Alzheimer's disease
- Amyloid Beta 42
- Dementia
- p-tau
- t-tau
Phospho-Tau/Total-Tau/A Beta42, CSF
Athena
