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White Blood Cell Alkaline Phosphatase Stain

Washington, DC rates for HCPCS 85540

A blood sample is treated with a stain that reveals how much of an enzyme called alkaline phosphatase sits inside the white blood cells, and the stained cells are then scored under a microscope. The pattern helps separate different reasons for a high white blood cell count.

Rates data updated July 2026.

How much does White Blood Cell Alkaline Phosphatase Stain cost?

$6.46

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

Insurers have agreed to pay about $6.46 for this service. The price depends on where it is billed: about $6.46 from a physician practice, and about $14.13 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$6.46$6.46 to $6.46
FacilityA hospital or hospital-owned outpatient department$14.13$6.46 to $31.62

How much rates vary

Facilitymedian $14 · 10th to 90th $6 to $60Professionalmedian $6 · 10th to 90th $6 to $30
$5$10$20$50$100facility $14professional $6

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
$6.46
Median
$31.62
Typical High
$60.26
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$6.46
Typical High
$6.46
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$24.55
Median
$43.65
Typical High
$95.50
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$14.45
Typical High
$32.36
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$10.00
Typical High
$67.61
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$16.60
Typical High
$17.38
United
Setting
Facility
Modifier
Global
Typical Low
$5.01
Median
$10.23
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$5.50
Typical High
$14.79

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

$6.46

HI $15.49MD $6.46

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.