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White Blood Cell Alkaline Phosphatase Stain

Maryland 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 Maryland, July 2026.

Insurers have agreed to pay about $6.46 for this service. Most negotiated rates run $6.17 to $10.72.

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.

How much rates vary

Facilitymedian $6 · 10th to 90th $4 to $11Professionalmedian $6 · 10th to 90th $5 to $34
$5.0$10.0$20.0$50.0facility $6professional $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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$6.46
Typical High
$33.88
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.02
Median
$6.92
Typical High
$8.51
Cigna
Setting
Facility
Modifier
Global
Typical Low
$4.57
Median
$6.03
Typical High
$11.22
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$8.51
Typical High
$20.89
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$10.23
Typical High
$16.60
United
Setting
Facility
Modifier
Global
Typical Low
$3.63
Median
$5.62
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$3.89
Median
$5.13
Typical High
$8.13
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$3.39
Median
$5.89
Typical High
$12.88

Where Maryland 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.

Maryland $6.46 · 51st 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.