Download Interprг©tation Des Catг©cholamines Urinaires Pdf May 2026

Catecholamines Fractionated by LC-MS/MS, Urine Free - ARUP Lab

A result three times higher than the upper reference limit strongly indicates a neuroendocrine tumor. Minor increases (less than double) may stem from stress, drugs, or collection errors. Catecholamines Fractionated by LC-MS/MS, Urine Free - ARUP

Cases of unusually severe or intermittent high blood pressure, especially before age 20. Catecholamines Fractionated by LC-MS/MS

Primarily used as a marker for neuroblastoma in children, often analyzed alongside VMA and HVA. Adult Reference Ranges (Approximate): Epinephrine: < 18.3 µg/24h or < 30 µg/24h Norepinephrine: < 84.6 µg/24h or < 60 µg/24h Dopamine: < 459.6 µg/24h or < 600 µg/24h 3. 24-Hour Collection Protocol Catecholamines Fractionated by LC-MS/MS, Urine Free - ARUP

This guide outlines the clinical interpretation, collection procedures, and reference standards for urinary catecholamine testing, primarily used to diagnose neuroendocrine tumors.

Rare tumors outside the adrenal glands that secrete similar hormones. 2. Interpretation of Results