K21.01
Billable codeGastro-esophageal reflux disease with esophagitis, with bleeding
The ICD-10 code for gastro-esophageal reflux disease with esophagitis, with bleeding is K21.01.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- K21.00Gastro-esophageal reflux disease with esophagitis, without bleeding
- K21.01Gastro-esophageal reflux disease with esophagitis, with bleeding
Associated MS-DRGs
K21.01 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.