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Chemistry Test For A Specific Substance

Connecticut 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?

$21.38

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $21.38 for this service. The price depends on where it is billed: about $21.38 from a physician practice, and about $39.81 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 5 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$21.38$21.38 to $22.39
FacilityA hospital or hospital-owned outpatient department$39.81$27.54 to $54.95

How much rates vary

Facilitymedian $40 · 10th to 90th $25 to $74Professionalmedian $21 · 10th to 90th $15 to $31
$20$50$100facility $40professional $21

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
$36.31
Typical High
$74.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$17.38
Median
$21.38
Typical High
$26.92
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$26.92
Median
$39.81
Typical High
$67.61
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$15.49
Typical High
$36.31
Cigna
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$39.81
Typical High
$93.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$28.18
Typical High
$38.02
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$25.12
Typical High
$34.67
United
Setting
Facility
Modifier
Global
Typical Low
$25.12
Median
$25.12
Typical High
$83.18
United
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$23.44
Typical High
$44.67

Where Connecticut 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.

Connecticut· 42nd of 51

$21.38

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.