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K04.7

Billable

Periapical abscess without sinus

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

What This Code Means

A pus-filled pocket of infection at the root tip of a tooth without an external drainage opening or sinus tract.

Coding Tips

  • •Distinguish from K04.6 by confirming absence of a sinus tract; document clinical and radiographic evidence of abscess
  • •Note the specific tooth affected and any associated swelling or systemic symptoms

Code Hierarchy

└K04Diseases of pulp and periapical tissues└K04.7Periapical abscess without sinus
└K04.7Periapical abscess without sinus

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