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Blood Clotting Time Test (PTT)

Louisiana 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?

$8.32

Typical negotiated rate. In Louisiana, October 2026.

Insurers have agreed to pay about $8.32 for this service. The price depends on where it is billed: about $5.89 from a physician practice, and about $8.32 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5.89$3.55 to $7.08
FacilityA hospital or hospital-owned outpatient department$8.32$8.32 to $13.49

How much rates vary

Facilitymedian $8 · 10th to 90th $7 to $21Professionalmedian $6 · 10th to 90th $3 to $8
$5$10$20facility $8professional $6

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
$6.31
Median
$8.13
Typical High
$26.30
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$3.16
Median
$4.07
Typical High
$15.49
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$1.26
Median
$1.62
Typical High
$6.17
Aetna
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$7.24
Typical High
$8.71
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$3.16
Median
$3.63
Typical High
$3.89
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.26
Median
$1.45
Typical High
$1.55
Ambetter
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$3.63
Typical High
$4.17
BCBS Louisiana
Setting
Facility
Modifier
None
Typical Low
$7.41
Median
$12.30
Typical High
$22.91
BCBS Louisiana
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$6.61
Typical High
$8.91
Christus
Setting
Facility
Modifier
None
Typical Low
$8.32
Median
$8.32
Typical High
$8.32
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.31
Median
$16.22
Typical High
$36.31
Cigna
Setting
Professional
Modifier
None
Typical Low
$2.88
Median
$4.07
Typical High
$7.08
United
Setting
Facility
Modifier
None
Typical Low
$2.51
Median
$5.37
Typical High
$6.03
United
Setting
Professional
Modifier
None
Typical Low
$2.51
Median
$3.55
Typical High
$8.32

Where Louisiana 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.

Louisiana· 16th of 51

$8.32

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.