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P81.9

Billable

Disturbance of temperature regulation of newborn, unspecified

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

What This Code Means

A newborn has difficulty maintaining normal body temperature, but the specific cause is not identified or documented.

Coding Tips

  • Use this code only when the type of temperature disturbance (hypothermia, hyperthermia, or other) is not specified in the clinical documentation
  • Review the medical record to see if a more specific P81 code can be assigned based on documented findings

Code Hierarchy

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