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VKORC1 Warfarin Sensitivity Gene Test

Maryland 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?

$64.57

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $64.57 for this service. Most negotiated rates run $53.70 to $70.79.

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.

How much rates vary

Professionalmedian $65 · 10th to 90th $40 to $89
$50$100$200professional $65

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
Professional
Modifier
None
Typical Low
$64.57
Median
$66.07
Typical High
$70.79
CareFirst
Setting
Professional
Modifier
None
Typical Low
$63.10
Median
$70.79
Typical High
$70.79
Cigna
Setting
Professional
Modifier
None
Typical Low
$45.71
Median
$85.11
Typical High
$257.04
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$89.13
Median
$104.71
Typical High
$131.83
United
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$43.65
Typical High
$77.62
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$43.65
Typical High
$70.79
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
$32.36
Median
$33.11
Typical High
$35.48
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$13.18
Median
$13.18
Typical High
$14.13

Where Maryland 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.

Maryland· 43rd of 51

$64.57

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.