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 0472U only for Early Sjögren’s Syndrome Profile from Immco Diagnostics Inc. This test uses enzyme–linked immunosorbent assay (ELISA) to measure immunoglobulin G (IgG), immunoglobulin M (IgM), and immunoglobulin A (IgA) antibodies against three specific proteins: carbonic anhydrase VI (CA VI), parotid specific/secretory protein (PSP), and salivary protein (SP1). The test is performed on a blood sample and is semiqualitative, providing a positive or negative result based on the presence of these antibodies. The presence of these antibodies is reported as predictive evidence of early Sjögren’s syndrome, an autoimmune disorder that primarily affects the salivary and lacrimal glands, leading to dry mouth and dry eyes.
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