ICD-10-CM > E00-E89 > E70-E88 > E87 E87 Other disorders of fluid, electrolyte and acid-base balance Non-Billable/Non-Specific Type 1 Excludes diabetes insipidus (E23.2)electrolyte imbalance associated with hyperemesis gravidarum (O21.1)electrolyte imbalance following ectopic or molar pregnancy (O08.5)familial periodic paralysis (G72.3)metabolic acidemia in newborn, unspecified (P19.9) Codes E87.0Hyperosmolality and hypernatremiaE87.1Hypo-osmolality and hyponatremiaE87.2AcidosisE87.20Acidosis, unspecifiedE87.21Acute metabolic acidosisE87.22Chronic metabolic acidosisE87.29Other acidosisE87.3AlkalosisE87.4Mixed disorder of acid-base balanceE87.5HyperkalemiaE87.6HypokalemiaE87.7Fluid overloadE87.70Fluid overload, unspecifiedE87.71Transfusion associated circulatory overloadE87.79Other fluid overloadE87.8Other disorders of electrolyte and fluid balance, not elsewhere classified