Gastro-esophageal reflux disease (K21)

• ICD-10 Index

  • Diseases of the digestive system (K00–K93)

    • Diseases of esophagus, stomach and duodenum (K20-K31)

      • Gastro-esophageal reflux disease (K21)

        • K21 - Gastro-esophageal reflux disease NON-BILLABLE CODE
        • K21.0 - Gastro-esophageal reflux disease with esophagitis NON-BILLABLE CODE
        • K21.00 - Gastro-esophageal reflux dis with esophagitis, without bleed BILLABLE CODE
        • K21.01 - Gastro-esophageal reflux dis with esophagitis, with bleed BILLABLE CODE
        • K21.9 - Gastro-esophageal reflux disease without esophagitis BILLABLE CODE

Clinical Information for Gastro-esophageal reflux disease (K21)

Laryngopharyngeal Reflux - Back flow of gastric contents to the LARYNGOPHARYNX where it comes in contact with tissues of the upper aerodigestive tract. Laryngopharyngeal reflux is an extraesophageal manifestation of GASTROESOPHAGEAL REFLUX.

Duodenogastric Reflux - Retrograde flow of duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the STOMACH.

Instructional Notations

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• newborn esophageal reflux P78.83