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    • Billing Code Lookup
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    • Trek Health
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    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesFactors influencing health status and contact with health servicesEncounters for other specific health care

    Find policies, billing codes, payers, states, and providers

    Explore Other

    • NPI Medicare & Medicaid
    • Payers
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    Toolbox

    Explore OpenPayer Tools

    • Billing Code LookupSearch CPT, HCPCS, J-codes, DRG, and dental codes by number or procedure name.
    • Billing Code Reimbursement RatesBuild a reimbursement rate report across any mix of billing codes and states, comparing commercial payers against Medicare.
    • Payer Comparison DashboardPick 2-5 payers to compare market share, premium, and membership by region, all at once.
    • Facility Comparison DashboardPick 2-6 hospital facility types (or add a specific hospital) to compare facility count, revenue, net income, and Medicare/Medicaid payer mix by region, all at once.
    • Healthcare Provider & Facility LookupFind hospitals and healthcare facilities by name, taxonomy, facility type, ownership, or state.
    • Health Insurance Payer LookupSearch national health insurance payers and health plans by name and state presence.
    • Provider Taxonomy Code LookupSearch NUCC taxonomy codes by code, specialty, grouping, or classification.
    • CPT Modifier LookupSearch CPT modifiers by code or name — descriptions, when to use them, and payer policy context.
    • Prior Authorization LookupSearch payer prior authorization policies by drug, procedure, or policy name.
    • Timely Filing LookupFind payer timely filing policies: claim deadlines, corrected claim windows, and appeal timeframes.
    • Coverage Criteria LookupSearch payer coverage criteria and medical necessity requirements by drug, procedure, or payer.
    • Payer Contact DirectoryClaims, prior authorization, provider services, and appeals contacts for health insurance payers.
    Z40-ENCOUNTER-FOR-PROPHYLACTIC-SURGERY

    ICD-10-CM Code For Encounter For Prophylactic Surgery: Group Overview

    Z41-ENCOUNTER-FOR-PROCEDURES

    ICD-10-CM Code For Encounter For Procedures For Purposes Other Than Remedying Health State: Group Overview

    Z42-PLASTIC-AND-RECONSTRUCTIVE-SURGERY-AFTER-INJURY

    ICD-10-CM Code For Encounter For Plastic And Reconstructive Surgery Following Medical Procedure Or Healed Injury: Group Overview

    Z43-ENCOUNTER-FOR-ARTIFICIAL-OPENINGS

    ICD-10-CM Code For Encounter For Attention To Artificial Openings: Group Overview

    Z44-ENCOUNTER-FOR-EXTERNAL-PROSTHESIS

    ICD-10-CM Code For Encounter For Fitting And Adjustment Of External Prosthetic Device: Group Overview

    Z45-ENCOUNTER-FOR-IMPLANTED-DEVICE

    ICD-10-CM Code For Encounter For Adjustment And Management Of Implanted Device: Group Overview

    Z46-FITTING-AND-ADJUSTMENT-OF-DEVICES

    ICD-10-CM Code For Encounter For Fitting And Adjustment Of Other Devices: Group Overview

    Z47-ORTHOPEDIC-AFTERCARE

    ICD-10-CM Code For Orthopedic Aftercare: Group Overview

    Z48-OTHER-POSTPROCEDURAL-AFTERCARE

    ICD-10-CM Code For Encounter For Other Postprocedural Aftercare: Group Overview

    Z49-ENCOUNTER-FOR-RENAL-DIALYSIS

    ICD-10-CM Code For Encounter For Care Involving Renal Dialysis: Group Overview

    Showing 1–10 of 13

    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.