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    v1.0.30
    OpenPayerBilling CodesCPT Codes

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

    10 categories

    Anesthesia

    Anesthesia covers management and delivery of anesthetic services for operative and diagnostic procedures across body systems, including regional, general, and monitored anesthesia care. CPT code range 00100–01999 encompassing the full anesthesia section with multiple subgroups by anatomic site and procedure type.

    Codes 00100–01999Total Codes: 276Sub-groups: 19
    Updated 6/11/2026

    Category II Codes

    Category II codes document performance measurement activities, supplemental tracking of quality metrics, and non-billable clinical data across encounters. The set spans CPT codes 0001F–9007F and includes composite, process, outcome, history, exam, management, safety, structural, intervention, and non-measure subgroups.

    Codes 0001F–9007FTotal Codes: 565Sub-groups: 10
    Updated 6/11/2026

    Category III Codes

    Procedures and services for emerging, temporary, or experimental technologies across multiple specialties including diagnostic, therapeutic, monitoring, and device-related interventions. CPT code range 0042T–1025T encompassing Category III codes across hundreds of specific entries and subgroups.

    Codes 0042T–1025TTotal Codes: 607Sub-groups: 230
    Updated 6/11/2026

    Evaluation and Management

    Evaluation and Management covers clinical assessments, history-taking, medical decision-making, and coordination of care across outpatient, inpatient, emergency, nursing facility, and telemedicine contexts. CPT range 98000–99499 spans a broad set of E/M codes including office/outpatient, hospital, nursing facility, preventive, and care management services.

    Codes 98000–99499Total Codes: 168Sub-groups: 24
    Updated 6/11/2026

    Medicine Services and Procedures

    Covers a broad range of non-surgical medical procedures and cognitive, diagnostic, therapeutic, and supportive services performed by physicians and nonphysician providers. CPT codes 90281–99607 span vaccines, infusions, dialysis, respiratory, rehab, psychiatry and numerous medicine subgroups.

    Codes 90281–99607Total Codes: 1.1KSub-groups: 37
    Updated 6/11/2026

    Multianalyte Assay

    Procedures that report multianalyte assays combining multiple biomarkers, algorithms, or clinical data to produce a single index or risk score for diagnosis, prognosis, or therapeutic decision-making. CPT codes 0002M–0020M cover 19 multianalyte assay procedures, including distinct assay-reporting services and algorithm-based risk scores.

    Codes 0002M–0020MTotal Codes: 14
    Updated 6/11/2026Standalone

    Pathology and Laboratory Procedures

    Procedures for laboratory testing and pathology services across clinical, anatomic, microbiology, molecular, and transfusion-related diagnostics. CPT range 80047–89398 covering organ/disease panels, chemistry, hematology, microbiology, molecular sequencing, cytology, and related subgroups.

    Codes 80047–89398Total Codes: 1.7KSub-groups: 21
    Updated 6/11/2026

    Proprietary Laboratory Analyses

    Proprietary Laboratory Analyses covers laboratory tests developed and provided by specific manufacturers or labs, often including multianalyte assays, genomic tests, and specialized diagnostics not in standard panels. CPT codes range from 0001U to 0630U, encompassing over 600 unique proprietary test codes and numerous subgroups for molecular, genomic, and specialized biomarker assays.

    Codes 0001U–0630UTotal Codes: 558
    Updated 6/11/2026Standalone

    Radiology Procedures

    Procedures covering diagnostic and therapeutic imaging services including X‑ray, CT, MRI, ultrasound, nuclear medicine, and radiation oncology. CPT code range 70010–79999 encompassing all radiology categories across diagnostic imaging, guidance, nuclear medicine, and treatment delivery.

    Codes 70010–79999Total Codes: 662Sub-groups: 7
    Updated 6/11/2026

    Surgery

    The Current Procedural Terminology (CPT) code range for Surgery 10004-69990 is a medical code set maintained by the American Medical Association.

    Codes 10004–69990Total Codes: 5.9KSub-groups: 19
    Updated 6/11/2026

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    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.

    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.