14-3-3 Protein, Spinal Fluid

Test Code

CPT Codes

Preferred Specimen
1 mL CSF collected in a sterile, plastic vial

Minimum Volume
0.6 mL

1.) Obtain aliquot from second collection vial.
2.) Immediately place aliquot on ice.

Additional Information: Specimens that have not been kept refrigerated or which have been tested for other analytes previously, may give a false-positive result.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 90 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens

Immunochemiluminometric Assay (ICMA)

Setup Schedule
Set up: Mon, Thurs p.m.; Report available: 4 days

Reference Range
See Laboratory Report

Clinical Significance
Evaluation of patients with rapidly progressive dementia to establish the diagnosis of Creutzfeldt-Jakob disease.

Performing Laboratory
Mayo Medical Laboratories
200 First Street SW
Rochester, MN 55905

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.