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Vitamin B1 Blood Test

Illinois 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?

$38.90

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $38.90 for this service. The price depends on where it is billed: about $18.20 from a physician practice, and about $83.18 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 7 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$18.20$16.22 to $24.55
FacilityA hospital or hospital-owned outpatient department$83.18$36.31 to $166

How much rates vary

Facilitymedian $83 · 10th to 90th $22 to $219Professionalmedian $18 · 10th to 90th $3 to $44
$5$10$20$50$100$200facility $83professional $18

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
$21.88
Median
$85.11
Typical High
$234.42
Aetna
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$19.05
Typical High
$43.65
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$12.88
Typical High
$12.88
BCBS
Setting
Facility
Modifier
Global
Typical Low
$28.18
Median
$57.54
Typical High
$218.78
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$14.79
Typical High
$16.22
Cigna
Setting
Facility
Modifier
Global
Typical Low
$23.99
Median
$48.98
Typical High
$97.72
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$24.55
Typical High
$38.90
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$23.44
Median
$41.69
Typical High
$223.87
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$27.54
Typical High
$27.54
Molina
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$26.30
United
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$21.38
Typical High
$42.66
United
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$13.80
Typical High
$21.38

Where Illinois 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.

Illinois· 9th of 51

$38.90

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.