go back

Vitamin K Blood Test

Washington, DC rates for HCPCS 84597

A blood test that measures the amount of vitamin K in the bloodstream. Vitamin K is needed for normal blood clotting and for bone health, and the test is ordered when a shortage or a problem absorbing it is suspected.

Rates data updated July 2026.

How much does Vitamin K Blood Test cost?

$16.98

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $16.98 for this service. The price depends on where it is billed: about $10.23 from a physician practice, and about $50.12 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$10.23$10.23 to $10.23
FacilityA hospital or hospital-owned outpatient department$50.12$25.12 to $83.18

How much rates vary

Facilitymedian $50 · 10th to 90th $10 to $132Professionalmedian $10 · 10th to 90th $10 to $48
$10.0$20.0$50.0$100.0$200.0facility $50professional $10

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
$10.23
Median
$79.43
Typical High
$131.83
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.23
Typical High
$10.23
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$38.90
Median
$69.18
Typical High
$151.36
Cigna
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$23.44
Typical High
$52.48
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$15.85
Typical High
$107.15
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$26.92
Median
$26.92
Typical High
$28.18
United
Setting
Facility
Modifier
Global
Typical Low
$7.94
Median
$16.60
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$8.32
Typical High
$23.44

Where Washington, DC sits

The same service costs 3.3 times more in Nebraska than in Tennessee. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington, DC $16.98 · 16th of 51
NE $36.31TN $10.96

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.