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Blood Clotting Time Test for Clotting Disorders

Maryland rates for HCPCS 85613

This blood test measures how long it takes blood to clot under specific laboratory conditions, using a diluted testing method that helps identify certain antibody-related clotting disorders. It is often used as part of a workup for unexplained blood clots or pregnancy complications linked to an autoimmune clotting problem.

Rates data updated October 2026.

How much does Blood Clotting Time Test for Clotting Disorders cost?

$7.24

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $7.24 for this service. Most negotiated rates run $6.31 to $7.59.

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 $9 · 10th to 90th $6 to $12Professionalmedian $7 · 10th to 90th $5 to $10
$5$10$20facility $9professional $7

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
Facility
Modifier
None
Typical Low
$7.08
Median
$9.77
Typical High
$14.13
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$7.24
Typical High
$8.91
CareFirst
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$7.59
Typical High
$8.71
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.13
Median
$6.76
Typical High
$12.30
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$9.55
Typical High
$23.44
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$10.96
Typical High
$14.45
United
Setting
Professional
Modifier
None
Typical Low
$3.98
Median
$5.62
Typical High
$7.24
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$9.33
Typical High
$9.33
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
$3.55
Median
$3.63
Typical High
$3.63
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.41
Median
$1.45
Typical High
$1.45

Where Maryland sits

The same service costs 5.9 times more in Alaska 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· 50th of 51

$7.24

AK $32.36AL $5.50

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.