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CPT 77331 Fee Schedule

Medicare rates as of October 2026

CPT 77331 is classified under Radiology Procedures, in the Radiation Oncology Treatment subgroup.

Special Dosimetry (Eg Tld Mi, Special Dosimetry (Eg Tld Microdosimetry) (Specify) Only When Prescribed By The Treating Physician Special Dosimetry (Eg Tld Microdosimetry) (Specify) Only
Key FactDetail
Service Type

Radiology Procedures

Radiation Oncology Treatment

Common Place of Service

22 - On Campus Outpatient Hospital

11 - Office

Common Modifiers

26 - Professional component

TC - Technical component

Complexity LevelLow
Medicare Fee Schedule$65.13 national non-facility rate (2026) · View Medicare rates for 77331
Medicaid Fee Schedule$52.925 median of the 8 states in the free preview · View Medicaid rates for 77331

National average reimbursement for CPT 77331 by major payers:

BCBS / Anthem logo

$79.90

BCBS / Anthem

UnitedHealthcare logo

$77.93

UnitedHealthcare

Aetna logo

$80.66

Aetna

Cigna logo

$93.96

Cigna

Compare published rates across providers.

Choose a payer to see a sample of rates for CPT 77331.

CPT 77331
5 of 25 sample ratesHigher to lower in this preview
  1. Michael Penney

    Radiology Associates Of North Texas, PA

    TXDiagnostic Radiology PhysicianNPI 1700812815Tax ID 75-1286819

    $162.41Published rate
  2. Victoria Ignace-Todd

    Northern Arizona Healthcare Corporation

    AZPhysical Therapy Clinic/CenterNPI 1295310266Tax ID 74-2410946

    $103.80Published rate
  3. Michael Hilburn

    Northern Arizona Healthcare Corporation

    AZFamily Nurse PractitionerNPI 1154082840Tax ID 74-2410946

    $72.62Published rate
  4. Alexander Kelley

    Radiology Associates Of North Texas, PA

    TXDiagnostic Radiology PhysicianNPI 1043578925Tax ID 75-1286819

    $47.83Published rate
  5. Eugene Mcgough

    Northern Arizona Healthcare Corporation

    VACertified Registered Nurse AnesthetistNPI 1639131923Tax ID 74-2410946

    $23.89Published rate

National sample. Rates vary by location, specialty, and contract.

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CPT 77331 vs. Other Radiation Oncology Treatment Codes

The table lists codes related to 77331. Select one to see its fee schedule.

CodeComplexityDescription
77331-CPTLowSpecial Dosimetry (Eg Tld Mi, Special Dosimetry (Eg Tld Microdosimetry) (Specify) Only When Prescribed By The Treating Physician Special Dosimetry (Eg Tld Microdosimetry) (Specify) Only
77332-CPTLowTreatmn Devices Design & Construct; Smple (Smple Block Simp, Treatment Devices Design And Construction; Simple (Simple Block Simp
77334-CPTLowRadiation Treatment Aid S, Treatment Devices Design And Construction Complex Irregular Blocks Special Shields Compensators Wedges Molds Or Casts
77336-CPTLowTherapeutic Radiology Svc, Continuing Medical Physics Consultation Including Assessment Of Treatment Parameters Quality Assurance Of Dose Delivery And Review Of Patient Treatment Documentation In Support Of The Radiation Oncologist Continuing Quality Assurance Reported Per Week Of Therapy

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 77331. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 77331 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.

Factors that affect fee schedules


Medicare & Medicaid Rates

Government-set reimbursement amounts


Private Insurance Rates

Negotiated rates between providers and insurance companies


Geographic Location

Costs may be higher in urban areas.


Provider Type

Hospital providers may have different rates than private practice.

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