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Chemistry Test For A Specific Substance

Kentucky 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?

$20.42

Typical negotiated rate. In Kentucky, October 2026.

Insurers have agreed to pay about $20.42 for this service. The price depends on where it is billed: about $19.95 from a physician practice, and about $22.91 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$19.95$19.50 to $28.84
FacilityA hospital or hospital-owned outpatient department$22.91$20.42 to $50.12

How much rates vary

Facilitymedian $23 · 10th to 90th $16 to $50Professionalmedian $20 · 10th to 90th $12 to $32
$5$10$20$50$100facility $23professional $20

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
$3.31
Median
$20.42
Typical High
$21.38
Aetna
Setting
Professional
Modifier
None
Typical Low
$3.31
Median
$21.38
Typical High
$25.12
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$15.85
Median
$25.12
Typical High
$26.30
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$14.79
Median
$19.95
Typical High
$32.36
CareSource
Setting
Facility
Modifier
None
Typical Low
$25.12
Median
$30.20
Typical High
$35.48
CareSource
Setting
Professional
Modifier
None
Typical Low
$25.12
Median
$31.62
Typical High
$50.12
Cigna
Setting
Facility
Modifier
None
Typical Low
$19.50
Median
$50.12
Typical High
$53.70
Cigna
Setting
Professional
Modifier
None
Typical Low
$12.02
Median
$154.88
Typical High
$154.88
United
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$19.95
Typical High
$32.36
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$1.66
Median
$10.47
Typical High
$12.59
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.68
Median
$4.27
Typical High
$5.01

Where Kentucky 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.

Kentucky· 41st of 51

$20.42

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.