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P74.421

Billable

Hyperchloremia 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 high levels of chloride in their blood.

Coding Tips

  • •Confirm hyperchloremia with laboratory results; often associated with hypernatremia or metabolic acidosis
  • •Document the underlying cause such as dehydration, excessive saline administration, or renal dysfunction

Excludes 2 — Not included here, may code separately

  • late metabolic acidosis of the newborn (P74.0)

Code Hierarchy

└P74Other transitory neonatal electrolyte and metabolic disturbances└P74.4Other transitory electrolyte disturbances of newborn└P74.42Disturbances of chlorine balance of newborn└P74.421Hyperchloremia of newborn
└P74.421Hyperchloremia of newborn

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