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Blood Clotting Time Test (PTT)

Michigan 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?

$7.08

Typical negotiated rate. In Michigan, October 2026.

Insurers have agreed to pay about $7.08 for this service. The price depends on where it is billed: about $5.75 from a physician practice, and about $17.78 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$5.75$4.47 to $7.24
FacilityA hospital or hospital-owned outpatient department$17.78$6.31 to $42.66

How much rates vary

Facilitymedian $18 · 10th to 90th $6 to $59Professionalmedian $6 · 10th to 90th $4 to $9
$5$10$20$50$100facility $18professional $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
$5.75
Median
$5.75
Typical High
$7.76
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$2.88
Median
$2.88
Typical High
$4.47
Aetna
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$6.03
Typical High
$7.94
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$2.57
Median
$2.88
Typical High
$3.02
Ambetter
Setting
Professional
Modifier
None
Typical Low
$4.07
Median
$4.07
Typical High
$4.07
BCBS Michigan
Setting
Facility
Modifier
None
Typical Low
$4.47
Median
$6.76
Typical High
$11.22
BCBS Michigan
Setting
Professional
Modifier
None
Typical Low
$4.47
Median
$4.47
Typical High
$4.47
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$4.90
Typical High
$8.71
Health Alliance Plan
Setting
Facility
Modifier
None
Typical Low
$5.75
Median
$23.44
Typical High
$67.61
Health Alliance Plan
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$2.88
Median
$2.88
Typical High
$4.47
Health Alliance Plan
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$7.08
Typical High
$10.72
Health Alliance Plan
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$2.88
Median
$2.88
Typical High
$2.88
Priority Health
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$6.03
Typical High
$7.76
United
Setting
Facility
Modifier
None
Typical Low
$2.00
Median
$5.37
Typical High
$15.14
United
Setting
Professional
Modifier
None
Typical Low
$2.51
Median
$4.90
Typical High
$7.76
3 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
Facility
Modifier
53 · Discontinued
Typical Low
$1.12
Median
$1.12
Typical High
$1.78
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.02
Median
$1.15
Typical High
$1.20
Health Alliance Plan
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.12
Median
$1.12
Typical High
$1.12

Where Michigan 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.

Michigan· 21st of 51

$7.08

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.