2022 ICD-10-CM Code K21.01
Gastro-esophageal reflux disease with esophagitis, with bleeding

Version 2022
ICD-10:K21.01
Short Description:Gastro-esophageal reflux dis with esophagitis, with bleed
Long Description:Gastro-esophageal reflux disease with esophagitis, with bleeding
Status: Valid for Submission

Code Classification

  • Diseases of the digestive system (K00–K93)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Gastro-esophageal reflux disease (K21)

K21.01 is a billable diagnosis code used to specify a medical diagnosis of gastro-esophageal reflux disease with esophagitis, with bleeding. The code K21.01 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

Entries in the Index to Diseases and Injuries with references to K21.01

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code K21.01 are found in the index:

Replacement Code

K2101 replaces the following previously assigned ICD-10 code(s):

Information for Patients


Acid Reflux (GER & GERD) in Adults Describes symptoms, causes, and treatment of gastroesophageal reflux disease (GERD), a condition in which acid reflux leads to symptoms or complications.
[Learn More in MedlinePlus]

Code History

  • FY 2021 - Code Added, effective from 10/1/2020 through 9/30/2021