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External Radiation Treatment Session

Nationwide rates for HCPCS 77404

One session of external radiation therapy aimed at a single area of the body. A machine outside the body directs a radiation beam at the target from one or two directions while the patient lies still. Nothing is inserted into the body and the beam itself cannot be felt as it is delivered.

Rates data updated October 2026.

How much does External Radiation Treatment Session cost?

$525

Typical negotiated rate. Nationwide, October 2026.

Insurers have agreed to pay about $525 for this service. The price depends on where it is billed: about $525 from a physician practice, and about $363 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 20 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$525$309 to $525
FacilityA hospital or hospital-owned outpatient department$363$275 to $468

How much rates vary

Facilitymedian $363 · 10th to 90th $170 to $724Professionalmedian $525 · 10th to 90th $200 to $525
$50$100$200$500$1Kfacility $363professional $525

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$75.86
Median
$75.86
Typical High
$75.86
AllWays Health Partners
Setting
Professional
Modifier
None (both parts)
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
AllWays Health Partners
Setting
Professional
Modifier
TC · Technical part
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$39.81
Median
$39.81
Typical High
$39.81
Asuris Northwest Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Asuris Northwest Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
AvMed
Setting
Professional
Modifier
None (both parts)
Typical Low
$112.20
Median
$138.04
Typical High
$158.49
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$131.83
Median
$316.23
Typical High
$537.03
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$169.82
Median
$169.82
Typical High
$204.17
Cigna
Setting
Facility
Modifier
None
Typical Low
$346.74
Median
$407.38
Typical High
$1,096.48
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$199.53
Median
$251.19
Typical High
$389.05
Hally Health
Setting
Professional
Modifier
None
Typical Low
$100.00
Median
$151.36
Typical High
$346.74
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Health Partners
Setting
Facility
Modifier
None
Typical Low
$275.42
Median
$436.52
Typical High
$1,023.29
Health Partners
Setting
Professional
Modifier
None (both parts)
Typical Low
$199.53
Median
$199.53
Typical High
$371.54
Horizon BCBS
Setting
Professional
Modifier
None (both parts)
Typical Low
$169.82
Median
$281.84
Typical High
$446.68
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$125.89
Median
$173.78
Typical High
$407.38
Lucent Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Lucent Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
MVP Health Care
Setting
Facility
Modifier
None
Typical Low
$257.04
Median
$257.04
Typical High
$257.04
MVP Health Care
Setting
Professional
Modifier
None (both parts)
Typical Low
$151.36
Median
$151.36
Typical High
$151.36
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$75.86
Median
$75.86
Typical High
$75.86
Mass General Brigham
Setting
Professional
Modifier
None (both parts)
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Mass General Brigham
Setting
Professional
Modifier
TC · Technical part
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Medcost
Setting
Professional
Modifier
None
Typical Low
$97.72
Median
$131.83
Typical High
$165.96
Medica
Setting
Facility
Modifier
None
Typical Low
$173.78
Median
$302.00
Typical High
$426.58
Medica
Setting
Professional
Modifier
None (both parts)
Typical Low
$173.78
Median
$524.81
Typical High
$524.81
Medica
Setting
Professional
Modifier
TC · Technical part
Typical Low
$524.81
Median
$524.81
Typical High
$524.81
Medical Mutual of Ohio
Setting
Professional
Modifier
None (both parts)
Typical Low
$120.23
Median
$120.23
Typical High
$165.96
Molina
Setting
Professional
Modifier
None (both parts)
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$208.93
Median
$208.93
Typical High
$213.80
Oscar Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$85.11
Median
$85.11
Typical High
$309.03
Priority Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$128.82
Median
$128.82
Typical High
$128.82

What it costs in each state

The same service costs 17.4 times more in Missouri than in South Carolina. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Touch or drag across the chart to see any state's rate.

MO $525SC $30.20

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.