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White Cell Chemotaxis Assay

Iowa 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?

$19.05

Typical negotiated rate. In Iowa, July 2026.

Insurers have agreed to pay about $19.05 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $26.92 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$12.30 to $38.02
FacilityA hospital or hospital-owned outpatient department$26.92$15.85 to $42.66

How much rates vary

Facilitymedian $27 · 10th to 90th $12 to $47Professionalmedian $16 · 10th to 90th $10 to $105
$10$20$50$100facility $27professional $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
$12.30
Median
$38.02
Typical High
$46.77
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$12.30
Typical High
$104.71
Cigna
Setting
Professional
Modifier
Global
Typical Low
$19.50
Median
$30.20
Typical High
$38.02
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$28.18
Typical High
$69.18
Medica
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$20.42
Typical High
$43.65
Medica
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$17.78
Typical High
$39.81
Midlands
Setting
Professional
Modifier
Global
Typical Low
$19.50
Median
$19.50
Typical High
$21.38
Midlands
Setting
Facility
Modifier
Global
Typical Low
$19.50
Median
$19.50
Typical High
$19.50
United
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$37.15
United
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$9.77
Typical High
$38.90
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$15.85
Typical High
$15.85

Where Iowa 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.

Iowa· 15th of 51

$19.05

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.