ICD-10 Code: K21.9 – Gastro-esophageal reflux disease without esophagitis
ICD-10 code K21.9 corresponds to Gastro-esophageal reflux disease without esophagitis. This code is classified under the chapter K21 Gastro-esophageal reflux disease, which is part of the K20-K31: Diseases of esophagus, stomach and duodenum category.
The parent chapter is Diseases of the digestive system.