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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 October 2026.

How much does Chemistry Test For A Specific Substance cost?

$26.92

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $26.92 for this service. The price depends on where it is billed: about $17.38 from a physician practice, and about $72.44 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$17.38$10.47 to $19.95
FacilityA hospital or hospital-owned outpatient department$72.44$45.71 to $87.10

How much rates vary

Facilitymedian $72 · 10th to 90th $19 to $115Professionalmedian $17 · 10th to 90th $10 to $47
$10$20$50$100$200facility $72professional $17

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
$25.12
Median
$52.48
Typical High
$117.49
Aetna
Setting
Professional
Modifier
None
Typical Low
$18.62
Median
$19.05
Typical High
$25.70
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$26.92
Median
$75.86
Typical High
$114.82
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$17.38
Typical High
$52.48
Cigna
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$30.20
Typical High
$77.62
Cigna
Setting
Professional
Modifier
None
Typical Low
$12.02
Median
$18.62
Typical High
$36.31
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$19.05
Median
$27.54
Typical High
$48.98
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$36.31
Typical High
$97.72
Select Health
Setting
Facility
Modifier
None
Typical Low
$25.12
Median
$46.77
Typical High
$52.48
Select Health
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$17.78
Typical High
$25.12
United
Setting
Facility
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$13.80
Typical High
$18.62
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$9.33
Median
$9.55
Typical High
$12.59
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$3.72
Median
$3.80
Typical High
$5.13

Where Colorado 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.

Colorado· 22nd of 51

$26.92

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.