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Worcestershire Acute Hospitals NHS Trust
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Test
Arginine Vasopressin AVP (Anti Diuretic Hormone, ADH)
CategoryClinical Biochemistry
Code
AVP
Test information
This test is not routinely available. Please contact Clinical Biochemistry if required. Diagnose cranial diabetes insipidus in a patient with polyuria and normal plasma osmolality, using the hypertonic saline infusion test.  
Pre-analytical
ADH is extremely labile in plasma and blood should be drawn into a previously chilled syringe and subsequently transferred into chilled lithium heparin tubes kept on ice. Samples for ADH must be accompanied by sample for serum sodium and osmolality
Referral lab
Dept of Clinical Biochemistry,Royal Victoria Hospital, Newcastle upon Tyne
Page last updated: 11 January 2022