Comprehensive guide on ICD-10 coding for acute hyponatremia, including documentation requirements, coding pitfalls, and billing considerations. ICD-10-CM Diagnosis Code E87.1 [convert to ICD-9-CM] Hypo-osmolality and hyponatremia Hyponatremia; Hyponatremia (low sodium level); Hyposmolality; syndrome of inappropriate secretion of antidiuretic hormone (E22.2); Sodium [Na] deficiency ICD-10-CM Diagnosis Code P74.22 [convert to ICD-9-CM] Hyponatremia of newborn Discover the commonly used ICD-10 codes for Hyponatremia, understand what each code signifies, and learn which are billable. ICD-10 code E87.1, titled “Hypo-osmolality and hyponatremia,” serves as the primary diagnostic code for patients presenting with low sodium levels in the blood (hyponatremia) and a decreased concentration of particles in the blood (hypo-osmolality).
