K21 is a non-billable icd-10 code for gastro-esophageal reflux diseaseit should not be used for hipaa-covered transactions as a more specific code is available to choose from below ↓ see below for any exclusions, inclusions or special notations. Gastroesophageal reflux disease icd 10. Gastroesophageal reflux disease (gerd), also known as acid reflux, is a long-term condition in which stomach contents rise up into the esophagus, resulting in either symptoms or complications symptoms include the taste of acid in the back of the mouth, heartburn, bad breath, chest pain, regurgitation, breathing problems, and wearing away of the teeth.
gastroesophageal reflux disease icd 10
