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    v1.0.28
    OpenPayerBilling CodesDiseases of the digestive systemDiseases of esophagus, stomach and duodenum

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    • Billing Code LookupSearch CPT, HCPCS, J-codes, DRG, and dental codes by number or procedure name.
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    K20-ESOPHAGITIS

    ICD-10-CM Code For Esophagitis: Group Overview

    K21-GASTRO-ESOPHAGEAL-REFLUX-DISEASE

    ICD-10-CM Code For Gastro-Esophageal Reflux Disease: Group Overview

    K22-OTHER-DISEASES-OF-ESOPHAGUS

    ICD-10-CM Code For Other Diseases Of Esophagus: Group Overview

    K23-DISORDERS-OF-ESOPHAGUS

    ICD-10-CM Code For Disorders Of Esophagus In Diseases Classified Elsewhere: Group Overview

    K25-GASTRIC-ULCER

    ICD-10-CM Code For Gastric Ulcer: Group Overview

    K26-DUODENAL-ULCER

    ICD-10-CM Code For Duodenal Ulcer: Group Overview

    K27-PEPTIC-ULCER-SITE-UNSPECIFIED

    ICD-10-CM Code For Peptic Ulcer Site Unspecified: Group Overview

    K28-GASTROJEJUNAL-ULCER

    ICD-10-CM Code For Gastrojejunal Ulcer: Group Overview

    K29-GASTRITIS-AND-DUODENITIS

    ICD-10-CM Code For Gastritis And Duodenitis: Group Overview

    K30-FUNCTIONAL-DYSPEPSIA

    ICD-10-CM Code For Functional Dyspepsia: Group Overview

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.