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Blood Clotting Time Test (PTT)

Maryland rates for HCPCS 85730

This blood test measures how long it takes a blood sample to clot using a specific laboratory method, which helps evaluate the blood's clotting ability. It is commonly used to check for bleeding disorders, monitor certain blood-thinning medications, or evaluate before surgery.

Rates data updated July 2026.

How much does Blood Clotting Time Test (PTT) cost?

$19.50

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $5.25 from a physician practice, and about $24.55 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5.25$4.68 to $6.03
FacilityA hospital or hospital-owned outpatient department$24.55$20.89 to $30.90

How much rates vary

Facilitymedian $25 · 10th to 90th $9 to $65Professionalmedian $5 · 10th to 90th $4 to $10
$5$10$20$50$100facility $25professional $5

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$9.77
Median
$24.55
Typical High
$64.57
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.47
Median
$5.25
Typical High
$19.05
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1.82
Median
$5.50
Typical High
$14.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.16
Median
$4.17
Typical High
$7.76
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.24
Median
$6.17
Typical High
$14.45
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$6.03
Median
$7.24
Typical High
$10.00
United
Setting
Facility
Modifier
Global
Typical Low
$2.51
Median
$2.82
Typical High
$15.14
United
Setting
Professional
Modifier
Global
Typical Low
$2.69
Median
$3.55
Typical High
$5.62
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$2.34
Median
$4.17
Typical High
$9.12

Where Maryland sits

The same service costs 14.1 times more in West Virginia than in Vermont. 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· 15th of 51

$19.50

WV $74.13VT $5.25

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.