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 0605U only for Tryptase Gene Copy Number Analysis by dPCR from Virant Diagnostics Inc. This test uses digital polymerase chain reaction (PCR) to determine how many copies of the TPSAB1 gene are present in DNA from whole blood. Results are reported with genotype–specific interpretation of alpha tryptase copy number and classified as normal or abnormal using an algorithm.
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