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 0256U only for Trimethylamine (TMA) and TMA N–Oxide test from Children’s Hospital Colorado Laboratory on a urine specimen. The test uses tandem mass spectrometry (MS/MS) to measure the levels of trimethylamine (TMA) and trimethylamine N–oxide (TMAO) in urine. Combined with an algorithmic analysis, the test aids in the diagnosis of trimethylaminuria (TMAU), also known as “fish odor syndrome.”
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