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White Cell Chemotaxis Assay

Idaho rates for HCPCS 86155

A laboratory test that measures how well white blood cells move towards a chemical signal, the way they normally travel to the site of an infection. Sluggish movement points to a defect in the immune system's ability to bring defending cells where they are needed.

Rates data updated July 2026.

How much does White Cell Chemotaxis Assay cost?

$18.20

Typical negotiated rate. In Idaho, July 2026.

Insurers have agreed to pay about $18.20 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $28.84 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$15.85$15.14 to $30.90
FacilityA hospital or hospital-owned outpatient department$28.84$15.85 to $46.77

How much rates vary

Facilitymedian $29 · 10th to 90th $16 to $74Professionalmedian $16 · 10th to 90th $11 to $31
$10$20$50$100facility $29professional $16

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
Aetna
Setting
Facility
Modifier
Global
Typical Low
$28.84
Median
$41.69
Typical High
$41.69
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$18.20
Typical High
$30.90
BCBS
Setting
Facility
Modifier
Global
Typical Low
$23.99
Median
$41.69
Typical High
$85.11
BCBS
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$15.85
Typical High
$22.39
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$33.11
Typical High
$61.66
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$12.02
Typical High
$22.91
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$20.89
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$19.05
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$23.99
Median
$32.36
Typical High
$57.54
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$13.49
Typical High
$16.98
Select Health
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$63.10
Select Health
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$15.85
United
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$9.55
Typical High
$26.30

Where Idaho sits

The same service costs 2.4 times more in Hawaii than in Maryland. 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.

Idaho· 17th of 51

$18.20

HI $28.84MD $12.02

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.