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 0095U for the Esophageal String Test™ (EST) from Children’s Hospital Colorado Department of Pathology and Laboratory Medicine. The test uses enzyme–linked immunosorbent assays (ELISA) technique on esophageal proteins collected from a swallowed string to test for two biomarkers of eosinophilic esophagitis and uses an algorithm to predict the probability of active disease.
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