This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code applies to only one unique lab test made by a specific manufacturer or performed by a specific lab. Report 0378U only for UCGSL RFC1 Repeat Expansion Test from University of Chicago Genetic Services Laboratories. The test analyzes a blood, saliva, or buccal (cheek) swab specimen from a patient with symptoms such as ataxia (uncoordinated muscle movement) to help diagnose a condition called CANVAS (cerebellar ataxia, neuropathy, and vestibular areflexia syndrome).
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