Current
K21 — Gastro-esophageal reflux disease
Part of Chapter 11: Diseases of the digestive system , block Diseases of esophagus, stomach and duodenum (K20-K31) .
Official Notes
Excludes1
newborn esophageal reflux ( P78.83 )
Child Codes
Referenced By
Official notes on these codes cite K21.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS