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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 July 2026.

How much does Chemistry Test For A Specific Substance cost?

$28.84

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $28.84 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. 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$26.92$19.05 to $45.71
FacilityA hospital or hospital-owned outpatient department$42.66$25.12 to $45.71

How much rates vary

Facilitymedian $43 · 10th to 90th $23 to $46Professionalmedian $27 · 10th to 90th $18 to $51
$5.0$10.0$20.0$50.0facility $43professional $27

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
$25.12
Median
$45.71
Typical High
$51.29
Aetna
Setting
Professional
Modifier
Global
Typical Low
$19.05
Median
$28.84
Typical High
$51.29
BCBS
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
BCBS
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
Cigna
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$26.30
Typical High
$47.86
Cigna
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$25.12
Typical High
$47.86
United
Setting
Facility
Modifier
Global
Typical Low
$22.91
Median
$25.12
Typical High
$32.36
United
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$16.22
Typical High
$47.86

Where Mississippi sits

The same service costs 2.5 times more in South Dakota than in Maryland. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Mississippi $28.84 · 17th of 51
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.