Gastro-esophageal reflux disease K21

The ICD10 code for the diagnosis "Gastro-esophageal reflux disease" is "K21". K21 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • K21 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM K21 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K21 - other international versions of ICD-10 K21 may differ.
Type 1 Excludes:
  • newborn esophageal reflux (P78.83)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.