K21 Gastro-esophageal reflux disease
ICD-10-CM category K21 sits in Chapter 11 (Diseases of the digestive system, K00-K95). It contains 3 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
K21.0 Gastro-esophageal reflux disease with esophagitis
Billable codes in K21
| Code | Description |
|---|---|
K21.00 | Gastro-esophageal reflux disease with esophagitis, without bleeding |
K21.01 | Gastro-esophageal reflux disease with esophagitis, with bleeding |
K21.9 | Gastro-esophageal reflux disease without esophagitis |
Search within ICD-10-CM for K21 and related codes
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