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White Blood Cell Alkaline Phosphatase Stain

Washington 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?

$9.12

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $9.12 for this service. The price depends on where it is billed: about $8.13 from a physician practice, and about $13.80 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 9 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$8.13$7.76 to $10.23
FacilityA hospital or hospital-owned outpatient department$13.80$9.55 to $19.95

How much rates vary

Facilitymedian $14 · 10th to 90th $9 to $36Professionalmedian $8 · 10th to 90th $5 to $19
$5.0$10.0$20.0$50.0facility $14professional $8

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
$8.13
Median
$19.05
Typical High
$46.77
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$8.13
Typical High
$56.23
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$10.72
Typical High
$23.44
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$7.76
Typical High
$8.71
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$18.20
Typical High
$27.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$8.91
Typical High
$13.80
Molina
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$7.59
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$8.51
Typical High
$17.38
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$17.38
Median
$17.38
Typical High
$17.38
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$15.14
Typical High
$23.44
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$7.76
Typical High
$10.23
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$12.88
Typical High
$23.44
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$7.76
Typical High
$8.51
United
Setting
Facility
Modifier
Global
Typical Low
$8.13
Median
$10.23
Typical High
$10.23
United
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$4.90
Typical High
$10.23
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$3.89
Median
$4.47
Typical High
$15.49

Where Washington sits

The same service costs 2.4 times more in Hawaii than in Maryland. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington $9.12 · 26th of 51
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.