2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Esophagus, Stomach, And Duodenum 530-537 > Diseases Of Esophagus 530.* > 2006 ICD-9-CM Diagnosis 530.81 Esophageal reflux View the most recent version of ICD-9-CM 530.81 (GAS-tro-eh-sof-a-JEE-al REE-flux diz-EEZ) Also called GERD. A common disorder marked by frequent or severe heartburn. The burning feeling occurs when stomach acid flows up into the esophagus. Retrograde flow of gastric juice (GASTRIC ACID) and/or duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the distal ESOPHAGUS, commonly due to incompetence of the LOWER ESOPHAGEAL SPHINCTER. Gastric regurgitation is an extension of this process with retrograde flow into the PHARYNX or MOUTH. 530.81 is a specific code that can be used to specify a diagnosis 530.81 contains 4 index entries View the ICD-9-CM Volume 1 530.* hierarchy Alternate Terminology Gastroesophageal reflux 530.81 Excludes reflux esophagitis (530.11)  Index entries containing 530.81: Cardiochalasia 530.81 Chalasia (cardiac sphincter) 530.81 Reflux esophageal 530.81 with esophagitis 530.11 gastroesophageal 530.81