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Vitamin B1 Blood Test

Washington, DC rates for HCPCS 84425

A blood test that measures the level of vitamin B1 (thiamine), a nutrient involved in metabolism, nerve function, and energy production. It is used to check for a deficiency or excess of the vitamin, especially in people with related symptoms or risk factors.

Rates data updated July 2026.

How much does Vitamin B1 Blood Test cost?

$25.70

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

Insurers have agreed to pay about $25.70 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $77.62 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$15.85$15.85 to $15.85
FacilityA hospital or hospital-owned outpatient department$77.62$38.90 to $148

How much rates vary

Facilitymedian $78 · 10th to 90th $16 to $617Professionalmedian $16 · 10th to 90th $16 to $74
$10$20$50$100$200$500facility $78professional $16

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
$15.85
Median
$100.00
Typical High
$616.60
Aetna
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$15.85
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$60.26
Median
$107.15
Typical High
$234.42
Cigna
Setting
Facility
Modifier
Global
Typical Low
$34.67
Median
$35.48
Typical High
$81.28
Cigna
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$24.55
Typical High
$165.96
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$40.74
Median
$40.74
Typical High
$42.66
United
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$25.70
Typical High
$74.13
United
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$13.49
Typical High
$36.31

Where Washington, DC sits

The same service costs 3.5 times more in South Carolina 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.

Washington, DC· 25th of 51

$25.70

SC $64.57FL $18.20

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.