<prompt> In SIADH all are found except-NormlaurineHyponatremiaHypotonic urineHyperuricemia  <response>: SIADH is characterized by hyponatremia, an inappropriately concentrated urine100 mOsmkg, normal or slightly elevated plasma volume, normal-to- high urine sodium,and low serum uric acid. Page 1884, Nelson textbook of pediatrics 19th edition 