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K22.1

Non-billable

Ulcer of esophagus

K22.1 is the ICD-10-CM code for Ulcer of esophagus. It is a non-billable category code — use a more specific child code such as K22.10 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Parent
K22
Subcodes
2
Edition
FY2026

K00-K95 Diseases of the digestive system

What this means — in plain language

MedlinePlus · NIH

What are esophagus disorders? Esophagus disorders are problems with how your esophagus works. The esophagus is the tube that carries food from your mouth to your stomach. You usually don't notice it unless you swallow something too big, hot, or cold. You might also notice it if something is wrong. When that happens, you might feel pain or have trouble swallowing (dysphagia). What causes esophagus disorders? The…

Read more about Esophagus Disorders at MedlinePlus ↗

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

Includes

  • •Barrett's ulcer
  • •Erosion of esophagus
  • •Fungal ulcer of esophagus
  • •Peptic ulcer of esophagus
  • •Ulcer of esophagus due to ingestion of chemicals
  • •Ulcer of esophagus due to ingestion of drugs and medicaments
  • •Ulcerative esophagitis

Excludes1 — not coded here

  • •Barrett's esophagus (K22.7-)

Code first

  • •poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

  • •code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code K22.1?
K22.1 is the ICD-10-CM code for "Ulcer of esophagus". It falls under K00-K95 Diseases of the digestive system.
Is K22.1 a billable code?
No — K22.1 is a non-billable header code. Use a more specific child code (such as K22.10) for billing.
What are the subcodes of K22.1?
K22.1 has 2 more specific child codes, including K22.10, K22.11.
What is excluded from K22.1?
Excludes1 (not coded here): Barrett's esophagus (K22.7-).

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

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