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VKORC1 Warfarin Sensitivity Gene Test

Rhode Island 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 October 2026.

How much does VKORC1 Warfarin Sensitivity Gene Test cost?

$66.07

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $66.07 for this service. The price depends on where it is billed: about $56.23 from a physician practice, and about $105 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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$56.23$50.12 to $89.13
FacilityA hospital or hospital-owned outpatient department$105$89.13 to $112

How much rates vary

Facilitymedian $105 · 10th to 90th $79 to $204Professionalmedian $56 · 10th to 90th $46 to $148
$50$100$200facility $105professional $56

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$50.12
BCBS Rhode Island
Setting
Facility
Modifier
None
Typical Low
$79.43
Median
$102.33
Typical High
$112.20
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$66.07
Typical High
$154.88
Cigna
Setting
Facility
Modifier
None
Typical Low
$114.82
Median
$204.17
Typical High
$245.47
Cigna
Setting
Professional
Modifier
None
Typical Low
$45.71
Median
$120.23
Typical High
$120.23
United
Setting
Facility
Modifier
None
Typical Low
$104.71
Median
$104.71
Typical High
$104.71
United
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$52.48
Typical High
$147.91

Where Rhode Island sits

The same service costs 3.8 times more in Alaska than in Florida. 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.

Rhode Island· 41st of 51

$66.07

AK $200FL $52.48

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.