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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 October 2026.

How much does Specialized Clotting Test for Antiphospholipid Antibodies cost?

$13.49

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $13.49 for this service. Most negotiated rates run $11.75 to $14.45.

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 $13 · 10th to 90th $10 to $23Professionalmedian $13 · 10th to 90th $9 to $20
$10$20$50facility $13professional $13

Distribution of negotiated rates across all payers (price axis is log-scale). 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
None
Typical Low
$13.18
Median
$13.49
Typical High
$16.60
CareFirst
Setting
Professional
Modifier
None
Typical Low
$12.88
Median
$14.45
Typical High
$16.22
Cigna
Setting
Facility
Modifier
None
Typical Low
$9.55
Median
$12.59
Typical High
$23.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$18.20
Typical High
$44.67
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$20.89
Typical High
$34.67
United
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$10.47
Typical High
$15.14
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$17.78
Typical High
$17.78
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
$6.61
Median
$6.76
Typical High
$6.76
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.63
Median
$2.69
Typical High
$2.69

Where Maryland sits

The same service costs 6.2 times more in Kansas than in Alabama. 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.

Maryland· 49th of 51

$13.49

KS $46.77AL $7.59

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.