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Chemistry Test For A Specific Substance

Mississippi 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?

$42.66

Typical negotiated rate. In Mississippi, October 2026.

Insurers have agreed to pay about $42.66 for this service. The price depends on where it is billed: about $26.92 from a physician practice, and about $42.66 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$26.92$16.22 to $42.66
FacilityA hospital or hospital-owned outpatient department$42.66$42.66 to $42.66

How much rates vary

Facilitymedian $43 · 10th to 90th $25 to $46Professionalmedian $27 · 10th to 90th $11 to $47
$5$10$20$50facility $43professional $27

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
$26.92
Median
$45.71
Typical High
$51.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$45.71
Typical High
$51.29
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$10.00
Median
$22.91
Typical High
$25.70
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$3.98
Median
$9.12
Typical High
$10.23
BCBS Mississippi
Setting
Facility
Modifier
None
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
BCBS Mississippi
Setting
Professional
Modifier
None
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
Cigna
Setting
Facility
Modifier
None
Typical Low
$16.22
Median
$24.55
Typical High
$47.86
Cigna
Setting
Professional
Modifier
None
Typical Low
$11.48
Median
$23.44
Typical High
$44.67
United
Setting
Facility
Modifier
None
Typical Low
$22.91
Median
$22.91
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$16.22
Typical High
$47.86

Where Mississippi 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.

Mississippi· 3rd of 51

$42.66

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.