E87.1
Hypo-osmolality and hyponatraemia
Coding guidance (WHO 2019)
Sodium [Na] deficiency Excl.: Syndrome of inappropriate secretion of antidiuretic hormone (E22.2)
Sibling codes
E87Other disorders of fluid, electrolyte and acid-base balanceE87.0Hyperosmolality and hypernatraemiaE87.2AcidosisE87.3AlkalosisE87.4Mixed disorder of acid-base balanceE87.5HyperkalaemiaE87.6HypokalaemiaE87.7Fluid overloadE87.8Other disorders of electrolyte and fluid balance, not elsewhere classified