abnormal urine hormone level abnormal urine antidiuretic hormone level 2011-12-16T04:03:29Z MP:0011542 MPheno.ontology abnormal urine ADH level abnormal urine AVP level abnormal urine arginine vasopressin level abnormal urine argipressin level abnormal urine vasopressin level any change in the urine amount of the polypeptide hormone secreted by the posterior lobe of the pituitary gland (neurohypophysis) that increases mean arterial pressure by promoting vasoconstriction and reduces excretion of urine by increasing the reabsorption of water by the kidney tubules csmith