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Chemistry Test For A Specific Substance

West Virginia rates for HCPCS 84285

A laboratory chemistry test that measures how much of one particular substance is present in a sample sent to the lab. It is ordered when the amount of that substance is expected to answer a specific question about a person's health, and the result is read together with the rest of the picture.

Rates data updated October 2026.

How much does Chemistry Test For A Specific Substance cost?

$20.89

Typical negotiated rate. In West Virginia, October 2026.

Insurers have agreed to pay about $20.89 for this service. The price depends on where it is billed: about $16.60 from a physician practice, and about $48.98 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$16.60$11.22 to $45.71
FacilityA hospital or hospital-owned outpatient department$48.98$24.55 to $61.66

How much rates vary

Facilitymedian $49 · 10th to 90th $21 to $76Professionalmedian $17 · 10th to 90th $10 to $63
$10$20$50$100facility $49professional $17

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
Facility
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$20.89
Aetna
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$20.89
Typical High
$20.89
CareSource
Setting
Facility
Modifier
None
Typical Low
$33.88
Median
$33.88
Typical High
$33.88
CareSource
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
Cigna
Setting
Facility
Modifier
None
Typical Low
$24.55
Median
$50.12
Typical High
$75.86
Cigna
Setting
Professional
Modifier
None
Typical Low
$11.48
Median
$41.69
Typical High
$154.88
United
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$15.14
United
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$14.45
Typical High
$63.10

Where West Virginia sits

The same service costs 3.5 times more in Kansas than in Alabama. 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.

West Virginia· 35th of 51

$20.89

KS $57.54AL $16.22

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.