About this test
Concentrating ability – diabetes insipidus, SIADH, hyponatraemia work-up.
Parameters
1 parameter available in the current test details.
- Osmolality, Urine
Sample & preparation
- Sample
- Urine – random / early-morning
- Preparation
- Fluid restriction or water loading only if advised.
Confirm preparation and reporting time with OnePLUS when booking. Your referring clinician can advise which investigation is appropriate.