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    v1.0.28
    OpenPayerPolicy UpdatesReimbursement/Payment PolicyBlue KC Proton Beam Therapy Prior Auth | OpenPayer
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    CurrentBlue KCPolicy POL-PP-223

    Proton Beam Therapy reimbursement

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    Defines Blue KC's payment approach for proton beam therapy, who is affected (professional and facility providers across multiple commercial lines and Medicare Advantage), and references clinical indications to MCG medical necessity criteria.

    Policy Summary
    PayerBlue KC
    PolicyProton Beam Therapy reimbursement
    Policy CodePolicy POL-PP-223
    Change TypeNo material change
    Effective DateNov 1, 2020
    Last ReviewNov 1, 20269d
    Next Review DateNov 1, 20269d
    Key ActionIf services do not meet MCG BKC-A-0389 medical necessity criteria, reimburse at photon beam therapy rates.
    SourceLink
    POLICY UPDATE CHANGES

    No material clinical or coverage changes in this revision.

    POL-PP-223internal policy identifier
    Photon ratespayment fallback rule
    Professional & Facility

    OpenPayer is powered by Trek Health's payer performance platform. Trek continuously ingests, validates, and normalizes Transparency in Coverage data alongside payer policies and other commercial payer data to create a structured payer intelligence foundation. OpenPayer uses this foundation to deliver personalized search results, dynamically generated policy pages, and tailored policy monitoring based on each user's payers, specialties, billing codes, and areas of interest. The same intelligence powers broader payer performance workflows, including reimbursement benchmarking, contract evaluation, payer negotiations, and financial decision-making.

    provider impact
    MCG BKC-A-0389clinical criteria source
    77520-77525example billing codes

    Coverage and Medical Necessity

    Coverage and payment rules — Clinical indications and medical necessity for Proton Beam Therapy are determined by MCG BKC-A-0389.

    Clinical indications and medical necessity for Proton Beam Therapy are determined by MCG BKC-A-0389.

    Proton beam therapy must meet medical necessity criteria outlined in MCG BKC-A-0389 to be reimbursed as proton therapy.
    If the service does not meet the MCG BKC-A-0389 medical necessity criteria, proton beam therapy will be reimbursed at photon beam therapy rates.
    For details of clinical indications and medical necessity criteria, refer to MCG BKC-A-0389 Proton Beam Therapy.

    Billing and Procedure Codes

    Prior Authorization and Reimbursement Guidance

    Prior Authorization

    Prior Authorization Required — Payment Governed by MCG

    Prior authorization is required and reimbursement follows MCG BKC-A-0389 for Proton Beam Therapy. If services do not meet MCG medical necessity criteria, charge/payments for proton therapy will be reimbursed at Photon Beam Therapy rates. Ensure prior authorization is obtained before scheduling; failure to obtain authorization or to document medical necessity per MCG criteria may result in claim denials or payment at non‑proton (photon) rates.

    • Prior authorization required per MCG BKC-A-0389
    • Non‑covered or non‑medically‑necessary proton indications will be reimbursed at photon beam therapy rates
    • Affected CPT codes: 77520, 77522, 77523, 77525
    • Document clinical indication and alignment with MCG criteria in the medical record to support authorization and payment

    Definitions and Referenced Guidelines

    inv-04: Photon Beam Therapy — definition of photon beam therapy
    DefinitionPhoton Beam Therapy is radiation therapy that uses x-rays or gamma rays from a linear accelerator; the radiation dose is delivered to the surface of the body, into the tumor, and through the body.
    ModalityUses high-energy photons (x-rays or gamma rays) generated by a linear accelerator.
    Dose deliveryDelivers radiation dose to the body surface and through the tumor and body tissues.
    Common settingTypically delivered using a linear accelerator in external beam radiation therapy.
    inv-05: MCG BKC-A-0389 Proton Beam Therapy — referenced medical necessity guideline
    Referenced guidelineMCG BKC-A-0389 Proton Beam Therapy is the medical necessity guideline referenced for clinical indications for proton beam therapy.
    Policy Summary
    PayerBlue KC
    PolicyProton Beam Therapy reimbursement
    Policy CodePolicy POL-PP-223
    Change TypeNo material change
    Effective DateNov 1, 2020
    Last ReviewNov 1, 20269d
    Next Review DateNov 1, 20269d
    Key ActionIf services do not meet MCG BKC-A-0389 medical necessity criteria, reimburse at photon beam therapy rates.
    SourceLink
    On This Page
    Coverage and Medical NecessityBilling and Procedure CodesPrior Authorization and Reimbursement GuidanceDefinitions and Referenced Guidelines
    Use in policyClinical indications and medical necessity for Proton Beam Therapy are determined by MCG BKC-A-0389; see this guideline for covered indications.
    Billing fallbackProton Beam Therapy delivered for conditions that do not meet MCG criteria will be reimbursed at Photon Beam Therapy rates.
    Revision history noteMCG BKC-A-0389 includes annual revision history entries (e.g., 11/1/2021–11/1/2025) and was updated to reference MCG for medical necessity on 11/1/2022.