K21-K21.9
Gastro-esophageal reflux disease
This page shows all ICD-10-CM codes in the range from K21 to K21.9 in Chapter 11: Diseases of the digestive system.
Codes are organized hierarchically by chapter and three-character category codes (e.g., K21). Each category can be expanded to show more specific subcategory and subclassification codes. Click on the code buttons to expand and see child codes.
Parent Code
All codes in this range are subcategories of:
K21Gastro-esophageal reflux disease