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White Cell Chemotaxis Assay

Louisiana 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?

$19.50

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $17.78 from a physician practice, and about $21.88 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 5 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$17.78$13.49 to $20.42
FacilityA hospital or hospital-owned outpatient department$21.88$19.50 to $41.69

How much rates vary

Facilitymedian $22 · 10th to 90th $16 to $59Professionalmedian $18 · 10th to 90th $10 to $30
$10$20$50$100facility $22professional $18

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
$16.98
Median
$21.38
Typical High
$58.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$19.05
Typical High
$32.36
BCBS
Setting
Facility
Modifier
Global
Typical Low
$19.50
Median
$32.36
Typical High
$58.88
BCBS
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$17.78
Typical High
$30.90
Christus
Setting
Facility
Modifier
Global
Typical Low
$39.81
Median
$39.81
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$43.65
Typical High
$97.72
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$10.72
Typical High
$18.20
United
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$15.85
Typical High
$19.95
United
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$9.12
Typical High
$22.39

Where Louisiana 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.

Louisiana· 11th of 51

$19.50

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.