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Clot Retraction Test

Maryland rates for HCPCS 85170

A laboratory test that lets a blood sample clot and then observes how well the clot shrinks and tightens over the following hours. Poor shrinkage points to a problem with platelets, the small blood cells that build a clot and pull it closed.

Rates data updated October 2026.

How much does Clot Retraction Test cost?

$12.02

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $12.02 for this service. Most negotiated rates run $8.13 to $13.18.

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 $11 · 10th to 90th $2 to $21Professionalmedian $12 · 10th to 90th $3 to $15
$2$5$10$20facility $11professional $12

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
$12.02
Median
$12.30
Typical High
$12.30
CareFirst
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$13.18
Typical High
$13.18
Cigna
Setting
Facility
Modifier
None
Typical Low
$2.40
Median
$4.68
Typical High
$20.89
Cigna
Setting
Professional
Modifier
None
Typical Low
$2.40
Median
$8.91
Typical High
$28.18
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$15.49
Median
$18.62
Typical High
$24.55
United
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$15.14
United
Setting
Professional
Modifier
None
Typical Low
$1.26
Median
$7.41
Typical High
$10.72
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$12.88
Typical High
$12.88
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
$6.03
Median
$6.17
Typical High
$6.17
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.40
Median
$2.45
Typical High
$2.45

Where Maryland sits

The same service costs 8.9 times more in Alaska than in Kentucky. 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· 24th of 51

$12.02

AK $36.31KY $4.07

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.