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:
- - Allergy, allergic (reaction) (to) - T78.40
- - Disease, diseased - See Also: Syndrome;
- - Esophagitis (acute) (alkaline) (chemical) (chronic) (infectional) (necrotic) (peptic) (postoperative) (without bleeding) - K20.90
- - Reflux - K21.9
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|368||MAJOR ESOPHAGEAL DISORDERS WITH MCC||06||1.9423|
|369||MAJOR ESOPHAGEAL DISORDERS WITH CC||06||1.0768|
|370||MAJOR ESOPHAGEAL DISORDERS WITHOUT CC/MCC||06||0.7476|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
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]
|ICD Code||Description||Valid for Submission|
|K21||Gastro-esophageal reflux disease||NON-BILLABLE CODE|
|K21.0||Gastro-esophageal reflux disease with esophagitis||NON-BILLABLE CODE|
|K21.00||Gastro-esophageal reflux disease with esophagitis, without bleeding||BILLABLE CODE|
|K21.9||Gastro-esophageal reflux disease without esophagitis||BILLABLE CODE|