Interference by triamterene with assay for metanephrine.
D004837:Epinephrine / Q000031:analogs & derivatives*; D006801:Humans; D008676:Metanephrine / Q000652:urine*; D013056:Spectrophotometry, Ultraviolet; D014223:Triamterene / Q000652:urine*
D008676:Metanephrine; D014223:Triamterene; D004837:Epinephrine