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Blood Clotting Time Test (PTT)

Indiana 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 October 2026.

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

$4.90

Typical negotiated rate. In Indiana, October 2026.

Insurers have agreed to pay about $4.90 for this service. The price depends on where it is billed: about $4.37 from a physician practice, and about $6.03 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$4.37$2.95 to $6.03
FacilityA hospital or hospital-owned outpatient department$6.03$5.75 to $12.02

How much rates vary

Facilitymedian $6 · 10th to 90th $5 to $18Professionalmedian $4 · 10th to 90th $3 to $11
$5$20$100$500$2Kfacility $6professional $4

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
$4.90
Median
$6.61
Typical High
$13.49
Aetna
Setting
Professional
Modifier
None
Typical Low
$4.47
Median
$5.01
Typical High
$10.47
Ambetter
Setting
Professional
Modifier
None
Typical Low
$4.07
Median
$4.07
Typical High
$6.03
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$4.79
Median
$6.03
Typical High
$18.20
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$2.95
Median
$3.63
Typical High
$8.32
CareSource
Setting
Facility
Modifier
None
Typical Low
$7.59
Median
$7.59
Typical High
$7.59
CareSource
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$6.03
Typical High
$6.92
Cigna
Setting
Facility
Modifier
None
Typical Low
$3.89
Median
$6.03
Typical High
$19.95
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$7.59
Typical High
$16.22
Physicians Health Plan of Northern Indiana
Setting
Facility
Modifier
None
Typical Low
$10.72
Median
$15.14
Typical High
$2,187.76
Physicians Health Plan of Northern Indiana
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$4.90
Typical High
$5.62
United
Setting
Professional
Modifier
None
Typical Low
$2.51
Median
$4.90
Typical High
$7.24
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
$2.24
Median
$2.45
Typical High
$10.47
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.89
Median
$1.00
Typical High
$4.17

Where Indiana sits

The same service costs 14.5 times more in Minnesota than in Maryland. 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.

Indiana· 48th of 51

$4.90

MN $64.57MD $4.47

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.