K04.4
BillableAcute 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.
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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