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Chemistry Test For A Specific Substance

Delaware 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?

$20.89

Typical negotiated rate. In Delaware, July 2026.

Insurers have agreed to pay about $20.89 for this service. Most negotiated rates run $19.95 to $36.31.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $29 · 10th to 90th $29 to $29Professionalmedian $21 · 10th to 90th $20 to $76
$5.0$10.0$20.0$50.0facility $29professional $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. 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
Global
Typical Low
$28.84
Median
$28.84
Typical High
$28.84
Aetna
Setting
Professional
Modifier
Global
Typical Low
$19.95
Median
$20.89
Typical High
$75.86
Cigna
Setting
Facility
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$16.22
Cigna
Setting
Professional
Modifier
Global
Typical Low
$14.45
Median
$16.98
Typical High
$44.67
United
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$15.14
Typical High
$33.11

Where Delaware 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.

Delaware $20.89 · 43rd 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.