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K20.0

Billable

Eosinophilic esophagitis

K20.0 is the ICD-10-CM code for Eosinophilic esophagitis. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K20
Edition
FY2026

K00-K95 Diseases of the digestive system

What this means — in plain language

MedlinePlus · NIH

What is eosinophilic esophagitis (EoE)? Eosinophilic esophagitis (EoE) is a chronic disease of the esophagus. Your esophagus is the muscular tube that carries food and liquids from your mouth to the stomach. If you have EoE, white blood cells called eosinophils build up in your esophagus. This causes damage and inflammation, which can cause pain, trouble swallowing , and food getting stuck in your throat. EoE is…

Read more about Eosinophilic Esophagitis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code K20.0?
K20.0 is the ICD-10-CM code for "Eosinophilic esophagitis". It falls under K00-K95 Diseases of the digestive system.
Is K20.0 a billable code?
Yes — K20.0 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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