`E87.0` Hyperosmolality and hypernatremia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

diabetes with hyperosmolarity (E08, E09, E11, E13 with final characters .00 or .01)

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)

MS-DRG index

Defines the logic of DRG(s) 640-641 in MDC 10.

Use Additional: E86 Volume depletion ("code(s) for any associated disorders of electrolyte and acid-base balance (E87.-)")
Type 2 Excludes: G11 Hereditary ataxia ("metabolic disorders (E70-E88)")
Code First: G63 Polyneuropathy in diseases classified elsewhere ("metabolic diseases (E70-E88)")
Type 2 Excludes: G71 Primary disorders of muscles ("metabolic disorders (E70-E88)")
Code First: H42 Glaucoma in diseases classified elsewhere ("specified metabolic disorder (E70-E88)")
Type 2 Excludes: N25.0 Renal osteodystrophy ("metabolic disorders classifiable to E70-E88")
Type 2 Excludes: N25.81 Secondary hyperparathyroidism of renal origin ("metabolic disorders classifiable to E70-E88")
Type 1 Excludes: P59 Neonatal jaundice from other and unspecified causes ("jaundice due to inborn errors of metabolism (E70-E88)")
Type 2 Excludes: R79.1 Abnormal coagulation profile ("abnormality of fluid, electrolyte or acid-base balance (E86-E87)")

Edema, edematous (infectious) (pitting) (toxic) › due to › salt retention
Edema, edematous (infectious) (pitting) (toxic) › salt
Excess, excessive, excessively › natrium
Excess, excessive, excessively › sodium (Na)
Findings, abnormal, inconclusive, without diagnosis › sodium (deficiency) › excess
Hypernatremia
Hyperosmolality (see also, Diabetes, by type, with hyperosmolarity)
Overload › sodium (Na)
Syndrome › hypernatremia
Syndrome › hyperosmolarity (see also, Diabetes, by type, with hyperosmolarity)