ICD-10-CM Code For Gastro-Esophageal Reflux Disease: Group Overview
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group K21 includes diagnoses for gastro-esophageal reflux disease, including reflux esophagitis and other conditions caused by reflux of gastric contents into the esophagus. These ICD-10-CM diagnosis codes are used to document clinical encounters for symptomatic reflux, esophageal inflammation, and related complications, capturing severity and organ involvement. Accurate coding within the ICD-10-CM K21 group supports proper claim adjudication and complete clinical documentation and appropriate reimbursement.
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ICD-10-CM K21: Gastro-esophageal Reflux Disease Overview
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group K21 represents gastro-esophageal reflux disease and related reflux conditions affecting the esophagus and lower esophageal sphincter. These diagnoses target the upper gastrointestinal tract and reflect impairment from reflux of gastric contents causing symptoms or esophageal injury. Accurate coding matters for appropriate clinical documentation and supports correct reimbursement by payers when claims reflect the clinical complexity.