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Specialized Clotting Test for Antiphospholipid Antibodies

Maryland 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?

$16.22

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $15.49 from a physician practice, and about $115 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 6 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$15.49$13.18 to $17.78
FacilityA hospital or hospital-owned outpatient department$115$23.44 to $162

How much rates vary

Facilitymedian $115 · 10th to 90th $10 to $162Professionalmedian $15 · 10th to 90th $11 to $71
$5.0$10.0$20.0$50.0$100.0facility $115professional $15

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
$112.20
Median
$141.25
Typical High
$162.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$16.22
Typical High
$70.79
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$14.45
Typical High
$17.78
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$12.59
Typical High
$23.44
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$18.20
Typical High
$44.67
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$17.78
Median
$21.38
Typical High
$34.67
United
Setting
Facility
Modifier
Global
Typical Low
$3.16
Median
$7.59
Typical High
$13.80
United
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$10.72
Typical High
$16.98
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$12.30
Typical High
$26.92

Where Maryland 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.

Maryland $16.22 · 39th 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.