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Gene Activity Test To Find A Tumor's Origin

Washington rates for HCPCS 81504

A laboratory test on a tumor sample that compares the activity pattern of its genes against the patterns typical of many known cancer types. It is used when a cancer has been found but the organ it started in is unclear, and it reports how closely the tumor resembles each candidate origin so treatment can be aimed correctly.

Rates data updated October 2026.

How much does Gene Activity Test To Find A Tumor's Origin cost?

$537

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $537 for this service. The price depends on where it is billed: about $525 from a physician practice, and about $776 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 10 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$525$468 to $724
FacilityA hospital or hospital-owned outpatient department$776$603 to $1,047

How much rates vary

Facilitymedian $776 · 10th to 90th $525 to $1,445Professionalmedian $525 · 10th to 90th $263 to $2,570
$200$500$1K$2Kfacility $776professional $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
Aetna
Setting
Facility
Modifier
None
Typical Low
$489.78
Median
$489.78
Typical High
$1,584.89
Aetna
Setting
Professional
Modifier
None
Typical Low
$489.78
Median
$489.78
Typical High
$501.19
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$389.05
Median
$676.08
Typical High
$1,445.44
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$446.68
Median
$2,570.40
Typical High
$3,890.45
Cigna
Setting
Facility
Modifier
None
Typical Low
$758.58
Median
$1,148.15
Typical High
$1,348.96
Cigna
Setting
Professional
Modifier
None
Typical Low
$263.03
Median
$549.54
Typical High
$707.95
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$416.87
Median
$602.56
Typical High
$1,288.25
Molina
Setting
Professional
Modifier
None
Typical Low
$75.86
Median
$75.86
Typical High
$75.86
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$524.81
Median
$524.81
Typical High
$1,047.13
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$524.81
Median
$912.01
Typical High
$1,548.82
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$467.74
Median
$467.74
Typical High
$630.96
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$524.81
Median
$812.83
Typical High
$1,445.44
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$446.68
Median
$524.81
Typical High
$630.96
United
Setting
Facility
Modifier
None
Typical Low
$524.81
Median
$630.96
Typical High
$630.96
United
Setting
Professional
Modifier
None
Typical Low
$218.78
Median
$218.78
Typical High
$524.81
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$234.42
Median
$524.81
Typical High
$933.25
2 more rates 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
52 · Reduced service
Typical Low
$245.47
Median
$245.47
Typical High
$251.19
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$97.72
Median
$97.72
Typical High
$100.00

Where Washington sits

The same service costs 8.1 times more in Texas than in Georgia. 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.

Washington· 18th of 51

$537

TX $1,905GA $234

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.