K04.8

Billable

Radicular cyst

K04.8 is the ICD-10-CM code for Radicular cyst. 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

What this means — in plain language

MedlinePlus · NIH

If 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

  • Apical (periodontal) cyst
  • Periapical cyst
  • Residual radicular cyst

Excludes2 — not included here

  • lateral periodontal cyst (K09.0)

Frequently asked questions

What is ICD-10 code K04.8?
K04.8 is the ICD-10-CM code for "Radicular cyst". It falls under K00-K95 Diseases of the digestive system.
Is K04.8 a billable code?
Yes — K04.8 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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