Gastro-esophageal reflux disease - K21

 Type 1 Excludes

• newborn esophageal reflux (P78.83)

 Codes

• K21.0 - Gastro-esophageal reflux disease with esophagitis
• K21.00 - Gastro-esophageal reflux disease with esophagitis, without bleeding
• K21.01 - Gastro-esophageal reflux disease with esophagitis, with bleeding
• K21.9 - Gastro-esophageal reflux disease without esophagitis