| Test | Metanephrines |
| Department | Clinical Biochemistry, Rotherham NHS Foundation Trust |
| Comment | Measured as first line test for phaeochromocytoma (or if the urine sample not acidic enough to preserve catecholamines) |
| Sample type | Urine assayed as first line test (EDTA plasma samples analysed at Newcastle) |
| Sample tube | 3 x overnight urine collection bottle with acid preservative (or 3 x 24hr urine collection bottle with acid preservative) |
| Patient information leaflet supplied with bottles for overnight or 24hr urine collection |
|
| Collection conditions | Overnight or full 24 hr collections |
| Minimum volume | > 700 ml urine / 24 hrs expected in each bottle for 24hr urine collections |
| Reference ranges (adult) |
Metanephrine < 0.30 umol / mmol creatinine Normetanephrine < 0.35 umol / mmol creatinine |
| Reference ranges (paediatric) |
See interpretation sheet below |
| Author | Dr Robert Lord (Consultant) |
| Date | 19.12.11 |
| Interpretation | http://www.clinbiochem.info/labmets2.3.pdf |
