WebJul 3, 2024 · Normetanephrine; 18- 111 picograms per milliliter Normal ranges of metanephrines may vary depending on the type of hospital and laboratory the test was performed. WebPlasma free metanephrines and normetanephrines have a diagnostic sensitivity exceeding 95% and specificity of approximately 85%. In comparison, 24-hour urinary total metanephrines and catecholamines have a sensitivity of 90% and specificity of 98%.
Plasma free metanephrine and normetanephrine levels are ... - PubMed
WebHowever, plasma catecholamine measurements can still be useful in patients whose plasma metanephrine or urine metanephrine measurements do not completely exclude the diagnosis. In such cases, plasma catecholamine specimens, if collected during a "spell," have a 90% to 95% diagnostic sensitivity when cutoffs of greater than 750 pg/mL for ... WebTherefore, a normal value in this context can be taken to exclude a phaeochromocytoma ... An ARR above the reference range (>70 pmol/L: ... Measurement of plasma free metanephrines and normetanephrines using mass spectrometry–based methods has a sensitivity of 97% and a specificity of 93% for detecting phaeochromocytoma. rowboat beck chords
Metanephrines Total - UI Health Care
WebSep 28, 2015 · Updated: Sep 28, 2024 Author: Hanna Lee; Chief Editor: Eric B Staros, MD more... Reference Range Vanillylmandelic acid (VMA), a metabolic by-product of norepinephrine and epinephrine, can be used... WebJun 10, 2024 · Sounds normal if....: the upper limits for blood metanephrine and normetanephrine are 0.50nm/l and 0.90nm/l. Urinary levels are, respectively: Total 24 hr. metanephrine =1.3mg for urine; and total plasma ME+NME is less than 205pg/ml. It sound as though you're within the normal ranges, but depending on the units of measure, … WebNormetanephrine, Free: < or = 148 pg/mL. Total, Free (MN + NMN): < or = 205 pg/mL. Elevations >4-fold upper reference range: strongly suggestive of pheochromocytoma. Elevations >1 - 4-fold upper reference range: significant but not diagnostic, may be due to medications or stress. Suggest running 24hr urine fractionated metanephrines and … row boat attachments