K04.7 — Periapical abscess without sinus

K04.7

ICD-10 Chapter 11: Digestive System — illustrative image — Chapter 11: Diseases of the digestive system (K00–K95) — illustrative image

What this code means

A periapical abscess is a pocket of infection at the tip of a tooth root, usually from untreated decay, without a draining sinus.

Also called: dental abscess, periapical abscess.

When this code is used

Used for periapical abscess without sinus.

Where it sits in ICD-10-CM

Code K04.7 belongs to Chapter 11: Diseases of the digestive system, which covers codes K00–K95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

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Frequently asked questions

What is ICD-10-CM code K04.7?

K04.7 is the ICD-10-CM diagnosis code for “Periapical abscess without sinus”. A periapical abscess is a pocket of infection at the tip of a tooth root, usually from untreated decay, without a draining sinus.

When is code K04.7 used?

Used for periapical abscess without sinus. It belongs to Chapter 11 of ICD-10-CM (Diseases of the digestive system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.