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White Cell Chemotaxis Assay

Washington, DC 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 Washington, DC, July 2026.

Insurers have agreed to pay about $12.02 for this service. The price depends on where it is billed: about $12.02 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 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$12.02$12.02 to $12.02
FacilityA hospital or hospital-owned outpatient department$26.92$12.02 to $61.66

How much rates vary

Facilitymedian $27 · 10th to 90th $12 to $112Professionalmedian $12 · 10th to 90th $12 to $56
$10$20$50$100facility $27professional $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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$58.88
Typical High
$112.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$12.02
Typical High
$12.02
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$45.71
Median
$81.28
Typical High
$177.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$25.70
Median
$26.92
Typical High
$61.66
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$18.20
Typical High
$123.03
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$30.90
Median
$30.90
Typical High
$32.36
United
Setting
Facility
Modifier
Global
Typical Low
$9.33
Median
$19.05
Typical High
$61.66
United
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$9.77
Typical High
$27.54

Where Washington, DC 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.

Washington, DC· 50th 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.