K04.4

Billable

Acute apical periodontitis of pulpal origin

K04.4 is the ICD-10-CM code for Acute apical periodontitis of pulpal origin. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K04
Edition
FY2026

K00-K95 Diseases of the digestive system

Includes

  • Acute apical periodontitis NOS

Excludes1 — not coded here

  • acute periodontitis (K05.2-)

Frequently asked questions

What is ICD-10 code K04.4?
K04.4 is the ICD-10-CM code for "Acute apical periodontitis of pulpal origin". It falls under K00-K95 Diseases of the digestive system.
Is K04.4 a billable code?
Yes — K04.4 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from K04.4?
Excludes1 (not coded here): acute periodontitis (K05.2-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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