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Specialized Clotting Test for Antiphospholipid Antibodies

North Carolina 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?

$14.45

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $14.45 for this service. The price depends on where it is billed: about $14.45 from a physician practice, and about $19.05 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$14.45$12.02 to $17.78
FacilityA hospital or hospital-owned outpatient department$19.05$14.45 to $39.81

How much rates vary

Facilitymedian $19 · 10th to 90th $14 to $81Professionalmedian $14 · 10th to 90th $9 to $30
$5$10$20$50$100facility $19professional $14

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
Facility
Modifier
None
Typical Low
$14.45
Median
$14.45
Typical High
$46.77
Aetna
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$14.45
Typical High
$17.78
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$7.24
Median
$7.24
Typical High
$7.76
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.88
Median
$2.88
Typical High
$3.09
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$32.36
Median
$39.81
Typical High
$79.43
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$10.72
Median
$53.70
Typical High
$53.70
Cigna
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$39.81
Typical High
$81.28
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$12.59
Typical High
$27.54
Medcost
Setting
Professional
Modifier
None
Typical Low
$11.22
Median
$34.67
Typical High
$34.67
Medcost
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$14.45
Typical High
$38.02
Medcost
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$25.70
Typical High
$53.70
Oscar Health
Setting
Facility
Modifier
None
Typical Low
$14.13
Median
$14.13
Typical High
$14.13
United
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$12.59
Typical High
$24.55
1 more rate 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
Ambetter
Setting
Professional
Modifier
90 · Outside lab
Typical Low
$10.72
Median
$12.02
Typical High
$12.59

Where North Carolina 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.

North Carolina· 40th of 51

$14.45

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.