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VKORC1 Warfarin Sensitivity Gene Test

Louisiana rates for HCPCS 81355

A genetic test that checks for the common changes in the VKORC1 gene, which affects how strongly a person responds to the blood thinner warfarin. People carrying certain versions need a lower or a higher dose to reach a safe level of blood thinning. A blood or saliva sample is used.

Rates data updated July 2026.

How much does VKORC1 Warfarin Sensitivity Gene Test cost?

$110

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $110 for this service. The price depends on where it is billed: about $105 from a physician practice, and about $120 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 5 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$105$89.13 to $115
FacilityA hospital or hospital-owned outpatient department$120$100 to $224

How much rates vary

Facilitymedian $120 · 10th to 90th $89 to $316Professionalmedian $105 · 10th to 90th $50 to $316
$50$100$200$500facility $120professional $105

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
$93.33
Median
$120.23
Typical High
$323.59
Aetna
Setting
Professional
Modifier
Global
Typical Low
$52.48
Median
$107.15
Typical High
$588.84
BCBS
Setting
Facility
Modifier
Global
Typical Low
$93.33
Median
$165.96
Typical High
$234.42
BCBS
Setting
Professional
Modifier
Global
Typical Low
$89.13
Median
$97.72
Typical High
$97.72
Christus
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$89.13
Typical High
$89.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$186.21
Typical High
$407.38
Cigna
Setting
Professional
Modifier
Global
Typical Low
$38.90
Median
$41.69
Typical High
$134.90
United
Setting
Facility
Modifier
Global
Typical Low
$37.15
Median
$79.43
Typical High
$89.13
United
Setting
Professional
Modifier
Global
Typical Low
$37.15
Median
$43.65
Typical High
$123.03

Where Louisiana sits

The same service costs 4.0 times more in Alaska 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.

Louisiana· 7th of 51

$110

AK $200VT $50.12

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.