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Neutron Beam Radiation Treatment Session

Colorado rates for HCPCS 77423

Delivery of one session of radiation therapy using a neutron beam, a specialized form of radiation available at only a small number of centers. Neutron beams deposit more energy in tissue than ordinary X-ray beams and are used for certain tumors that respond poorly to standard radiation. The session itself is painless and takes minutes.

Rates data updated October 2026.

How much does Neutron Beam Radiation Treatment Session cost?

$151

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $151 for this service. The price depends on where it is billed: about $151 from a physician practice, and about $135 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$151$117 to $186
FacilityA hospital or hospital-owned outpatient department$135$117 to $1,148

How much rates vary

Facilitymedian $135 · 10th to 90th $95 to $2,344Professionalmedian $151 · 10th to 90th $95 to $275
$100$200$500$1K$2Kfacility $135professional $151

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$95.50
Median
$120.23
Typical High
$162.18
Aetna
Setting
Professional
Modifier
None
Typical Low
$95.50
Median
$95.50
Typical High
$97.72
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$104.71
Median
$151.36
Typical High
$234.42
Cigna
Setting
Facility
Modifier
None
Typical Low
$117.49
Median
$125.89
Typical High
$2,344.23
Cigna
Setting
Professional
Modifier
None
Typical Low
$154.88
Median
$371.54
Typical High
$602.56
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$91.20
Median
$134.90
Typical High
$354.81
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$245.47
Median
$245.47
Typical High
$245.47
Select Health
Setting
Professional
Modifier
None
Typical Low
$5,011.87
Median
$5,011.87
Typical High
$5,011.87
United
Setting
Facility
Modifier
None
Typical Low
$2,398.83
Median
$2,511.89
Typical High
$2,884.03
United
Setting
Professional
Modifier
None
Typical Low
$123.03
Median
$173.78
Typical High
$275.42
1 more rate with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
FX · Film X-ray
Typical Low
$72.44
Median
$75.86
Typical High
$79.43

Where Colorado sits

The same service costs 4.2 times more in Alaska than in New York. 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.

Colorado· 34th of 51

$151

AK $355NY $85.11

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.