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
What this means — in plain language
MedlinePlus · NIHIf you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to the tissue and bone supporting the teeth. In the worst cases, you can lose teeth. In gingivitis, the gums become red and swollen. They can bleed easily. Gingivitis is a mild form of gum disease. You can usually reverse it with daily…
Read more about Gum Disease at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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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