METANEPHRINE FRACTIONS , PLASMA

Method and Reference values Modification

Test code: 3710

Nemonic code: MEFR

Effective update from 27/12/2022

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Method: Radioimmunoassay       Reference Values:          Metanephrin : Less than 65 pg/mL       Normetanephrin: Less than 196 pg/mL             Clonidine suppression test: Concentrations of plasma noradrenaline < 50% of baseline (or plasma normetanephrine < 60% of baseline) discard a pheochromocytoma. *  <50 a="" baseline="" discard="" normetanephrine="" of="" or="" pheochromocytoma.="" plasma="" span="">             * GUÍA DE PRUEBAS FUNCIONALES EN EL LABORATORIO CLÍNICO - Sociedad Española de Bioquímica Clínica y Patología Molecular                    Version of Test: 19

Method: Enzyme immunoassay       Reference Values:          Metanephrin : Less than 100 pg/mL       Normetanephrin: Less than 216 pg/mL                                                                                           Version of Test: 20

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