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P74.22

Billable

Hyponatremia of newborn

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A condition where a newborn has abnormally low levels of sodium in their blood.

Coding Tips

  • •Confirm sodium levels from laboratory results; typically defined as serum sodium <130 mEq/L in neonates
  • •Identify the cause such as excessive free water intake, SIADH, or renal losses to guide appropriate treatment

Code Hierarchy

└P74Other transitory neonatal electrolyte and metabolic disturbances└P74.2Disturbances of sodium balance of newborn└P74.22Hyponatremia of newborn
└P74.22Hyponatremia of newborn

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