K21
Non-Billable (Header)Gastro-esophageal reflux disease
Excludes 1 — Do NOT code together
- newborn esophageal reflux (P78.83)
Child Codes
Code Hierarchy
└K21Gastro-esophageal reflux disease
└K21Gastro-esophageal reflux disease
Open K21 in the Interactive Encoder
See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.