go back

Chemistry Test For A Specific Substance

Colorado 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?

$23.44

Typical negotiated rate. In Colorado, July 2026.

Insurers have agreed to pay about $23.44 for this service. The price depends on where it is billed: about $19.50 from a physician practice, and about $66.07 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 7 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$19.50$18.62 to $21.88
FacilityA hospital or hospital-owned outpatient department$66.07$33.88 to $105

How much rates vary

Facilitymedian $66 · 10th to 90th $19 to $129Professionalmedian $19 · 10th to 90th $10 to $24
$5.0$20.0$100.0$500.0facility $66professional $19

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
$15.85
Median
$54.95
Typical High
$117.49
Aetna
Setting
Professional
Modifier
Global
Typical Low
$19.05
Median
$19.50
Typical High
$23.99
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$31.62
Median
$75.86
Typical High
$128.82
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$11.75
Typical High
$19.50
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.49
Median
$17.78
Typical High
$66.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$15.49
Typical High
$30.20
Denver HMP
Setting
Facility
Modifier
Global
Typical Low
$19.05
Median
$27.54
Typical High
$52.48
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$35.48
Median
$134.90
Typical High
$134.90
Select Health
Setting
Facility
Modifier
Global
Typical Low
$26.30
Median
$46.77
Typical High
$52.48
Select Health
Setting
Professional
Modifier
Global
Typical Low
$17.78
Median
$17.78
Typical High
$25.12
United
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$25.12
Typical High
$38.02
United
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$13.80
Typical High
$23.44

Where Colorado 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.

Colorado $23.44 · 36th 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.