CPT® 0431U, Under Proprietary Laboratory Analyses
The Current Procedural Terminology (CPT®) code 0431U as maintained by American Medical Association, is a medical procedural code under the range - Proprietary Laboratory Analyses.
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Summary
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 0431U only for Glycine Receptor Alpha1 IgG from Mayo Clinic/Mayo Clinic Laboratories. Using a live–cell binding method, the test evaluates a cerebrospinal fluid (CSF) or serum specimen for the presence of immunoglobulin G (IgG) for alpha–1 subunit of glycine receptor, which is a biomarker for the autoimmune stiff–person spectrum of disorders.
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