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Blood Clotting Time Test for Clotting Disorders

Colorado 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?

$10.47

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $10.47 for this service. The price depends on where it is billed: about $6.61 from a physician practice, and about $27.54 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$6.61$3.98 to $8.91
FacilityA hospital or hospital-owned outpatient department$27.54$16.60 to $33.11

How much rates vary

Facilitymedian $28 · 10th to 90th $7 to $44Professionalmedian $7 · 10th to 90th $4 to $17
$5$10$20$50facility $28professional $7

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
$7.24
Median
$16.60
Typical High
$33.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$7.24
Typical High
$13.18
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$10.23
Median
$28.84
Typical High
$43.65
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$3.98
Median
$6.61
Typical High
$19.95
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.62
Median
$11.48
Typical High
$29.51
Cigna
Setting
Professional
Modifier
None
Typical Low
$4.90
Median
$6.92
Typical High
$13.80
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$10.47
Typical High
$19.05
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$13.80
Typical High
$37.15
Select Health
Setting
Facility
Modifier
None
Typical Low
$9.55
Median
$17.78
Typical High
$19.95
Select Health
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$6.76
Typical High
$9.55
United
Setting
Facility
Modifier
None
Typical Low
$11.48
Median
$11.48
Typical High
$11.48
United
Setting
Professional
Modifier
None
Typical Low
$3.98
Median
$5.62
Typical High
$7.08
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
$3.63
Median
$3.63
Typical High
$4.79
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.45
Median
$1.45
Typical High
$1.95

Where Colorado 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.

Colorado· 24th of 51

$10.47

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.