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    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesFactors influencing health status and contact with health servicesPersons encountering health services for examinati…

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

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    • NPI Medicare & Medicaid
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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.
    Z00-ENCOUNTER-FOR-GENERAL-EXAMINATION

    ICD-10-CM Code For Encounter For General Examination Without Complaint Suspected Or Reported Diagnosis: Group Overview

    Z01-ENCOUNTER-FOR-OTHER-SPECIAL-EXAMINATION

    ICD-10-CM Code For Encounter For Other Special Examination Without Complaint, Suspected Or Reported Diagnosis: Group Overview

    Z02-ENCOUNTER-FOR-ADMINISTRATIVE-EXAMINATION

    ICD-10-CM Code For Encounter For Administrative Examination: Group Overview

    Z03-ENCOUNTER-FOR-MEDICAL-OBSERVATION

    ICD-10-CM Code For Encounter For Medical Observation For Suspected Diseases And Conditions Ruled Out: Group Overview

    Z04-ENCOUNTER-FOR-EXAMINATION-AND-OBSERVATION

    ICD-10-CM Code For Encounter For Examination And Observation For Other Reasons: Group Overview

    Z05-ENCOUNTER-FOR-NEWBORN-OBSERVATION

    ICD-10-CM Code For Encounter For Observation And Evaluation Of Newborn For Suspected Diseases And Conditions Ruled Out: Group Overview

    Z08-ENCOUNTER-FOR-FOLLOW-UP-MALIGNANT-NEOPLASM

    ICD-10-CM Code For Encounter For Follow-Up Examination After Completed Treatment For Malignant Neoplasm: Group Overview

    Z09-ENCOUNTER-FOR-FOLLOW-UP

    ICD-10-CM Code For Encounter For Follow-Up Examination After Completed Treatment For Conditions Other Than Malignant Neoplasm: Group Overview

    Z11-ENCOUNTER-FOR-SCREENING

    ICD-10-CM Code For Encounter For Screening For Infectious And Parasitic Diseases: Group Overview

    Z12-ENCOUNTER-FOR-SCREENING-MALIGNANT-NEOPLASMS

    ICD-10-CM Code For Encounter For Screening For Malignant Neoplasms: Group Overview

    Showing 1–10 of 11

    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.