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Neutron Beam Radiation Treatment Session

California rates for HCPCS 77422

A session of radiation therapy delivered using a high-energy neutron beam rather than the X-ray beam used in standard treatment, covering a single treatment area. Neutron therapy is chosen for certain tumors that respond poorly to ordinary radiation.

Rates data updated July 2026.

How much does Neutron Beam Radiation Treatment Session cost?

$631

Typical physician fee. In California, July 2026.

Insurers have agreed to pay about $631 for this service. Most negotiated rates run $288 to $1,259.

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 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $347 · 10th to 90th $95 to $631Professionalmedian $1,259 · 10th to 90th $398 to $1,259
$100$200$500$1Kfacility $347professional $1,259

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Cigna
Setting
Professional
Modifier
Global
Typical Low
$51.29
Median
$61.66
Typical High
$102.33
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$398.11
Median
$398.11
Typical High
$1,698.24
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$630.96
Median
$630.96
Typical High
$630.96
Lucent Health
Setting
Professional
Modifier
Global
Typical Low
$1,258.93
Median
$1,258.93
Typical High
$1,258.93
Providence
Setting
Facility
Modifier
Global
Typical Low
$81.28
Median
$239.88
Typical High
$426.58
Providence
Setting
Professional
Modifier
Global
Typical Low
$302.00
Median
$302.00
Typical High
$302.00

Where California sits

The same service costs 26.3 times more in Massachusetts 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.

California· 3rd of 32

$631

MA $1,259SC $47.86

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.