.svg)
Method: GC-MS (Gas Chromatography/Mass Spectrometry) measuring organic acid metabolites in urine (CLIA 17D0919496); not cleared or approved by the FDA. Results in mmol/mol creatinine. Not a stand-alone diagnosis; should be interpreted in clinical context.
VMA is the main breakdown product of norepinephrine and adrenaline, reflecting how much of these stress chemicals the body is producing and clearing.
