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White Cell Chemotaxis Assay

Maryland 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?

$12.02

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $12.02 for this service. Most negotiated rates run $11.48 to $19.95.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $10 · 10th to 90th $7 to $21Professionalmedian $12 · 10th to 90th $10 to $62
$10$20$50$100facility $10professional $12

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
Professional
Modifier
Global
Typical Low
$10.47
Median
$12.02
Typical High
$61.66
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$12.88
Typical High
$15.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$10.96
Typical High
$20.89
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$15.85
Typical High
$39.81
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$19.05
Typical High
$30.90
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$6.76
Typical High
$12.02
United
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$9.55
Typical High
$15.14
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.31
Median
$10.96
Typical High
$23.99

Where Maryland 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.

Maryland· 51st of 51

$12.02

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.