E87.1
BillableHypo-osmolality and hyponatremia
E87.1 is the ICD-10-CM code for Hypo-osmolality and hyponatremia. It is a billable, specific code valid for reimbursement.
E00-E89 Endocrine, nutritional and metabolic diseases
What this means — in plain language
MedlinePlus · NIHWhat are electrolytes? Electrolytes are minerals that have an electric charge when they are dissolved in water or body fluids, including blood. The electric charge can be positive or negative. You have electrolytes in your blood, urine (pee), tissues, and other body fluids. Electrolytes are important because they help: Balance the amount of water in your body Balance your body's acid/base (pH) level Move nutrients…
Read more about Fluid and Electrolyte Balance at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Sodium [Na] deficiency
Excludes1 — not coded here
- •syndrome of inappropriate secretion of antidiuretic hormone (E22.2)
Frequently asked questions
- What is ICD-10 code E87.1?
- E87.1 is the ICD-10-CM code for "Hypo-osmolality and hyponatremia". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
- Is E87.1 a billable code?
- Yes — E87.1 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from E87.1?
- Excludes1 (not coded here): syndrome of inappropriate secretion of antidiuretic hormone (E22.2).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition