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Orexin-A/Hypocretin-1, Spinal Fluid
Test Code3041007079
Alias/See Also
1232900071 / MAYO test code ORXNA
CPT Codes
83519
Preferred Specimen
Sterile Container
Instructions
Special Collection Instructions: Patient should not have recently received radioisotopes, either therapeutically or diagnostically,due to potential assay interference. Collection Instructions: 1. Obtain aliquot from second collection vial (preferred, not required). 2. Hemolyzed specimens will give false-positive results. Specimens should be centrifuged to remove any red cells prior to shipping.
Transport Temperature
Frozen
Specimen Stability
Frozen: 120 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Reference Range
SEE RESULT REPORT
Performing Laboratory
MAYO CLINIC
Last Updated: August 26, 2026
