Recommendations when to order or not order the test. May include related or preferred tests.
May aid in the diagnosis of Creutzfeldt-Jakob disease after other neurodegenerative conditions have been ruled out.
Mnemonic
Unique test identifier.
14-3-3 TAU
Methodology
Process(es) used to perform the test.
Qualitative Western Blot/Quantitative Enzyme-Linked Immunosorbent Assay/Qualitative Real-Time Quaking-Induced Conversion
Performed
Days of the week the test is performed.
Varies
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
7-17 days
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Patient must be 12 years of age or older.
Collect
CSF.
Specimen Preparation
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.
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
By report
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Compliance Category
Performed by non-ARUP Laboratory
Note
Additional information related to the test.
Repeat testing should be collected no sooner than 2 weeks following last encounter.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.