go back

B Cell Count Test

Washington, DC rates for HCPCS 86355

This blood test counts the number of B cells, a type of white blood cell responsible for producing antibodies. It helps evaluate how well a person's immune system is functioning, particularly when there's concern about an immune deficiency or an unexplained pattern of infections. Low counts can point toward a problem with antibody production, while other patterns can help guide further immune testing.

Rates data updated July 2026.

How much does B Cell Count Test cost?

$69.18

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $69.18 for this service. The price depends on where it is billed: about $28.18 from a physician practice, and about $219 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$28.18$28.18 to $28.18
FacilityA hospital or hospital-owned outpatient department$219$69.18 to $302

How much rates vary

Facilitymedian $219 · 10th to 90th $28 to $427Professionalmedian $28 · 10th to 90th $28 to $132
$20$50$100$200$500facility $219professional $28

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
$28.18
Median
$218.78
Typical High
$426.58
Aetna
Setting
Professional
Modifier
Global
Typical Low
$28.18
Median
$28.18
Typical High
$28.18
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$194.98
Typical High
$416.87
Cigna
Setting
Facility
Modifier
Global
Typical Low
$61.66
Median
$63.10
Typical High
$144.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$20.42
Median
$43.65
Typical High
$295.12
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$72.44
Median
$72.44
Typical High
$75.86
United
Setting
Facility
Modifier
Global
Typical Low
$21.88
Median
$45.71
Typical High
$288.40
United
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$22.91
Typical High
$64.57

Where Washington, DC sits

The same service costs 3.5 times more in South Dakota than in Delaware. 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· 5th of 51

$69.18

SD $112DE $31.62

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.