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White Blood Cell Alkaline Phosphatase Stain

Connecticut 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 October 2026.

How much does White Blood Cell Alkaline Phosphatase Stain cost?

$8.51

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $8.51 for this service. The price depends on where it is billed: about $5.89 from a physician practice, and about $12.02 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5.89$4.37 to $8.91
FacilityA hospital or hospital-owned outpatient department$12.02$10.00 to $18.20

How much rates vary

Facilitymedian $12 · 10th to 90th $9 to $22Professionalmedian $6 · 10th to 90th $4 to $12
$5$10$20facility $12professional $6

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$7.76
Typical High
$7.76
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$8.91
Median
$11.75
Typical High
$21.38
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$4.27
Median
$5.13
Typical High
$12.02
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.62
Median
$13.80
Typical High
$30.90
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.62
Median
$7.41
Typical High
$14.13
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$6.92
Typical High
$12.30
United
Setting
Facility
Modifier
None
Typical Low
$23.99
Median
$23.99
Typical High
$23.99
United
Setting
Professional
Modifier
None
Typical Low
$4.27
Median
$7.41
Typical High
$15.14
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$3.47
Median
$3.89
Typical High
$3.89
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.38
Median
$1.55
Typical High
$1.55

Where Connecticut sits

The same service costs 4.1 times more in Kansas 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.

Connecticut· 31st of 51

$8.51

KS $26.30MD $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.