ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 11 K00-K95 Diseases of the digestive system /
K20-K31 Diseases of esophagus, stomach and duodenum /
K21 Gastro-esophageal reflux disease
Billable ICD-10-CM Code K21.9
|
K21.9
|
|
|
Gastro-esophageal reflux disease without esophagitis
 |
| Esophageal reflux NOS |