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14-3-3 Protein Tau, Total, CSF
Copy Utility
Ordering Recommendation
May aid in the diagnosis of Creutzfeldt-Jakob disease after other neurodegenerative conditions have been ruled out.
Mnemonic
Methodology
Qualitative Western Blot/Quantitative Enzyme-Linked Immunosorbent Assay/Qualitative Real-Time Quaking-Induced Conversion
Performed
Varies
Reported
7-17 days
New York DOH Approval Status
Specimen Required
Patient must be 12 years of age or older.
CSF.
The first 2 mL of CSF that flows from the tap should be discarded. Transfer 5 mL CSF to ARUP Standard Transport Tubes and freeze immediately. (Min: 2 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Frozen.
Completed requisition form required.
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: Indefinitely (One freeze/thaw cycle is acceptable.)
Reference Interval
By report
Interpretive Data
Performed by non-ARUP Laboratory
Note
Repeat testing should be collected no sooner than 2 weeks following last encounter.
Hotline History
CPT Codes
86317; 84182; 0035U
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3001256 | 14-3-3 Protein Tau, Total, CSF | 19146-0 |
Aliases
- CJD
- Creutzfeldt-Jakob Disease
- Human Prion Disease
- RT QuIC
NPDPSC
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