Consider ordering for individuals with Lambert-Eaton myasthenic syndrome (LEMS), paraneoplastic cerebellar degeneration (PCD), or paraneoplastic and nonparaneoplastic neuronopathy. May aid in the diagnosis of occult tumor, recurrence of tumor, or second tumor.
Mon, Thu, Sat
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.30 mL)
Plasma. Contaminated, heat-inactivated, hemolyzed, or lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month
SOX1 antibody is detected in patients with Lambert-Eaton myasthenic syndrome (LEMS) and in patients with paraneoplastic cerebellar degeneration (PCD), paraneoplastic and nonparaneoplastic neuropathy. SOX1 antibody is associated with small cell lung cancer. A negative test result does not rule out a diagnosis of LEMS or other causes of paraneoplastic neurological syndrome.
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
|3002903||SOX1 Antibody, IgG by Immunoblot, Serum|