CPT® 0399U, Under Proprietary Laboratory Analyses
The Current Procedural Terminology (CPT®) code 0399U 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 0399U only for FRAT® (Folate Receptor Antibody Test) from Religen Inc. The test uses enzyme–linked immunoassay (ELISA) to detect anti–human folate receptor IgG binding antibody and blocking autoantibodies associated with folate metabolism. The results may have implications for diagnosis and treatment of autism spectrum disorder (ASD) or other neurodevelopment disorders.
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