ICD-10 Code K22.9 – Disease of esophagus, unspecified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K22.9 – Disease of esophagus, unspecified
What it is
K22.9 identifies a disorder of the esophagus when the provider documents esophageal disease but does not specify the exact condition. Use it only when the record lacks a more precise diagnosis.
Clinical signs
Clinical features vary; refer to documentation. Common esophageal complaints may include swallowing difficulty, pain with swallowing, reflux-related symptoms, or chest discomfort, but these findings do not confirm a specific diagnosis.
When to use this code
Use K22.9 when the chart states “disease of esophagus” or another nonspecific esophageal disorder without further detail. It may also fit when the clinician notes an esophageal abnormality but does not define the exact condition. If a more specific diagnosis is available, code that instead.
Do not use for
Do not use this code if the documentation names a specific esophageal disorder, such as reflux disease, esophagitis, or stricture. Check documentation to avoid coding a symptom-only complaint when no esophageal disease is established.
Coding tip
Query for specificity when the record is vague, because K22.9 is a fallback code, not a substitute for a documented diagnosis.