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K21.9

Billable

Gastro-esophageal reflux disease without esophagitis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Chronic acid reflux disease without inflammation of the esophagus.

Coding Tips

  • •Use this code when GERD is documented without esophagitis; do not use if esophageal inflammation is present
  • •This is the most common GERD code; verify that esophagitis is truly absent before assigning

Code Hierarchy

└K21Gastro-esophageal reflux disease└K21.9Gastro-esophageal reflux disease without esophagitis
└K21.9Gastro-esophageal reflux disease without esophagitis

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