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White Cell Chemotaxis Assay

Delaware 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?

$13.18

Typical negotiated rate. In Delaware, July 2026.

Insurers have agreed to pay about $13.18 for this service. Most negotiated rates run $12.59 to $22.91.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $18 · 10th to 90th $18 to $18Professionalmedian $13 · 10th to 90th $13 to $48
$10$20$50facility $18professional $13

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. 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
Global
Typical Low
$18.20
Median
$18.20
Typical High
$18.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$13.18
Typical High
$47.86
Cigna
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$10.47
Typical High
$10.47
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$11.48
Typical High
$30.20
United
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$10.72
Typical High
$22.39

Where Delaware 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.

Delaware· 45th of 51

$13.18

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.