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O86.4

Billable

Pyrexia of unknown origin following delivery

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

What This Code Means

A fever that develops after childbirth where the cause cannot be identified or determined despite investigation.

Coding Tips

  • This code should only be used when fever is present but the underlying cause remains unknown after evaluation
  • Document the fever duration and any diagnostic workup performed to support this diagnosis

Excludes 2 — Not included here, may code separately

  • pyrexia during labor (O75.2)

Code Hierarchy

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