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. 2010 Mar 30;15(3):124–130. doi: 10.1186/2047-783X-15-3-124

Table 1.

ICD 10 GERD diagnostic codes identifying Patients with reflux disease

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