Category K21 Non-Billable Category FY2027 Dataset

K21: Gastro-esophageal reflux disease

Parent Chapter: Chapter 11: Diseases of the digestive system

Notice on Coding Specificity: Category K21 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.

Specific Child Codes in Category K21

Code Official Descriptor Status Action
K21.00 Gastro-esophageal reflux dis with esophagitis, without bleed Billable Code View Code
K21.01 Gastro-esophageal reflux dis with esophagitis, with bleed Billable Code View Code
K21.9 Gastro-esophageal reflux disease without esophagitis Billable Code View Code
K21 Gastro-esophageal reflux disease Non-Billable View Code
K21.0 Gastro-esophageal reflux disease with esophagitis Non-Billable View Code