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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 July 2026.

How much does Chemistry Test For A Specific Substance cost?

$20.89

Typical negotiated rate. In West Virginia, July 2026.

Insurers have agreed to pay about $20.89 for this service. The price depends on where it is billed: about $19.95 from a physician practice, and about $31.62 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 4 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$19.95$19.05 to $20.89
FacilityA hospital or hospital-owned outpatient department$31.62$20.89 to $38.02

How much rates vary

Facilitymedian $32 · 10th to 90th $21 to $38Professionalmedian $20 · 10th to 90th $13 to $22
$10$20$50$100facility $32professional $20

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
$20.89
Median
$31.62
Typical High
$38.02
Aetna
Setting
Professional
Modifier
Global
Typical Low
$19.05
Median
$19.95
Typical High
$22.39
CareSource
Setting
Facility
Modifier
Global
Typical Low
$33.88
Median
$33.88
Typical High
$33.88
CareSource
Setting
Professional
Modifier
Global
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
Cigna
Setting
Facility
Modifier
Global
Typical Low
$20.89
Median
$50.12
Typical High
$75.86
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$45.71
Typical High
$154.88
United
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$10.47
Typical High
$28.84
United
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$11.22
Typical High
$32.36

Where West Virginia sits

The same service costs 2.5 times more in South Dakota than in Maryland. 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· 44th of 51

$20.89

SD $47.86MD $19.05

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.