Hyponatremia ICD-10 Code: E87.1 Explained (Billing, Documentation & Coding Guide)
Quick answer: The ICD-10-CM code for hyponatremia is E87.1 — Hypo-osmolality and hyponatremia. It is a valid, billable code used when a provider documents low blood sodium that is evaluated, monitored, or treated. Always file it without the decimal point (E871) on electronic claims. What top results get wrong (unique...