K21 — ICD-10-CM Diagnosis Codes
- K21 Gastro-esophageal reflux disease
- K21.0 Gastro-esophageal reflux disease with esophagitis
- K21.00 Gastro-esophageal reflux disease with esophagitis, without bleeding billable
- K21.01 Gastro-esophageal reflux disease with esophagitis, with bleeding billable
- K21.9 Gastro-esophageal reflux disease without esophagitis billable