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Table 1 ICD 10 GERD diagnostic codes identifying Patients with reflux disease

From: Impact of gastro-oesophageal reflux disease on work productivity despite therapy with proton pump inhibitors in Germany

Code

Diagnosis

K21

Gastroesophageal reflux disease

K21.0

Gastroesophageal reflux disease with esophagitis - Reflux esophagitis

K21.9

Gastroesophageal reflux disease without esophagitis

R12

Heartburn - Excludes dyspepsia