E87.1

Billable

Hypo-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.

Status
Billable
Chapter
E00-E89
Parent
E87
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

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.

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