P74.22: Hyponatremia of newborn
P74.22 is the billable ICD-10-CM diagnosis code for Hyponatremia of newborn. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code P74.22?
P74.22 is the ICD-10-CM diagnosis code for Hyponatremia of newborn. It belongs to category P74 (Other transitory neonatal electrolyte and metabolic disturbances).
Is P74.22 a billable code?
Yes. P74.22 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does P74.22 belong to?
P74.22 is part of ICD-10-CM category P74 — Other transitory neonatal electrolyte and metabolic disturbances, which has 28 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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