ICD-10-CM > E00-E89 > E70-E88 > E87 > E87.0 E87.0 Hyperosmolality and hypernatremia Billable/Specific Copy Code Copy Description Applicable To Sodium [Na] excessSodium [Na] overload Type 2 Excludes diabetes with hyperosmolarity (E08, E09, E11, E13 with final characters .00 or .01)