Hyponatremia ICD 10 Code Hyponatremia is a disorder characterized by a low concentration of sodium in the blood. It can be caused by various conditions, such as dehydration, kidney disease, heart failure, liver cirrhosis, syndrome of inappropriate antidiuretic hormone secretion (SIADH), and certain medications. The ICD 10 code for hyponatremia is E87.11. This code […]