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Specialized Clotting Test for Antiphospholipid Antibodies

Washington rates for HCPCS 85597

This is a specialized blood clotting test used to help confirm the presence of a lupus anticoagulant, an antibody that interferes with normal blood clotting tests and is linked to an increased risk of abnormal blood clots. It is typically ordered as part of a broader workup when this kind of antibody is suspected.

Rates data updated July 2026.

How much does Specialized Clotting Test for Antiphospholipid Antibodies cost?

$17.78

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $17.78 for this service. The price depends on where it is billed: about $16.22 from a physician practice, and about $33.88 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$16.22$16.22 to $17.78
FacilityA hospital or hospital-owned outpatient department$33.88$19.95 to $63.10

How much rates vary

Facilitymedian $34 · 10th to 90th $18 to $98Professionalmedian $16 · 10th to 90th $11 to $30
$5.0$20.0$100.0$500.0facility $34professional $16

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
$17.78
Median
$41.69
Typical High
$128.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.98
Typical High
$97.72
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$22.39
Typical High
$48.98
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$16.22
Typical High
$18.20
Cigna
Setting
Facility
Modifier
Global
Typical Low
$18.62
Median
$38.02
Typical High
$57.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$19.05
Typical High
$28.18
Molina
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$15.85
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$17.78
Typical High
$36.31
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$17.78
Median
$17.78
Typical High
$19.95
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$31.62
Typical High
$48.98
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$21.38
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$26.92
Typical High
$48.98
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$16.22
Typical High
$17.78
United
Setting
Facility
Modifier
Global
Typical Low
$16.22
Median
$21.38
Typical High
$21.38
United
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$8.91
Typical High
$21.38
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$9.33
Typical High
$32.36

Where Washington sits

The same service costs 4.0 times more in Delaware than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington $17.78 · 28th of 51
DE $53.70DC $13.49

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.