SIADH patients should have (1) no evidence of hypovolemia, no hypotension, no postural hypotension, no dry mucus membranes, or tachycardia; (2) no lab evidence of dehydration, with normal hematocrit, albumin, and urea; (3) positive fluid balance with no weight loss; and (4) central venous pressure (CVP) > 6 cm water [60]. The gene discussed is ALB; the disease is inappropriate ADH syndrome.