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Chemistry Test For A Specific Substance

Georgia 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 Georgia, October 2026.

Insurers have agreed to pay about $20.42 for this service. The price depends on where it is billed: about $16.60 from a physician practice, and about $33.11 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$16.60$11.75 to $34.67
FacilityA hospital or hospital-owned outpatient department$33.11$25.12 to $54.95

How much rates vary

Facilitymedian $33 · 10th to 90th $19 to $87Professionalmedian $17 · 10th to 90th $7 to $46
$10$20$50$100facility $33professional $17

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$16.60
Median
$16.60
Typical High
$46.77
Aetna
Setting
Professional
Modifier
None
Typical Low
$16.60
Median
$21.38
Typical High
$24.55
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$21.88
Median
$32.36
Typical High
$87.10
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$7.24
Median
$12.30
Typical High
$45.71
CareSource
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$25.12
Median
$54.95
Typical High
$75.86
Cigna
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$28.84
Typical High
$38.02
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$27.54
Median
$38.02
Typical High
$87.10
United
Setting
Facility
Modifier
None
Typical Low
$83.18
Median
$83.18
Typical High
$83.18
United
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$17.38
Typical High
$52.48
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
$8.32
Median
$10.23
Typical High
$12.30
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$3.39
Median
$4.07
Typical High
$4.90

Where Georgia 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.

Georgia· 39th 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.