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White Cell Chemotaxis Assay

South Dakota 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?

$28.18

Typical negotiated rate. In South Dakota, July 2026.

Insurers have agreed to pay about $28.18 for this service. The price depends on where it is billed: about $23.99 from a physician practice, and about $30.20 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 6 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$23.99$12.59 to $38.02
FacilityA hospital or hospital-owned outpatient department$30.20$29.51 to $30.20

How much rates vary

Facilitymedian $30 · 10th to 90th $18 to $30Professionalmedian $24 · 10th to 90th $11 to $44
$10$20$50$100facility $30professional $24

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
$11.22
Median
$18.20
Typical High
$18.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$12.59
Typical High
$15.14
Cigna
Setting
Facility
Modifier
Global
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
Cigna
Setting
Professional
Modifier
Global
Typical Low
$18.20
Median
$30.20
Typical High
$38.02
Medica
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$18.62
Typical High
$57.54
Medica
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$11.22
Typical High
$22.39
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$22.91
Median
$38.90
Typical High
$43.65
United
Setting
Facility
Modifier
Global
Typical Low
$19.05
Median
$19.05
Typical High
$19.05
United
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$14.45
Typical High
$22.39
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$15.85

Where South Dakota 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.

South Dakota· 2nd of 51

$28.18

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.