go back

Gel Diffusion Test For A Specific Substance

Kansas rates for HCPCS 86331

A laboratory test in which the sample and a matching testing solution are placed in separate wells cut into a gel and left to spread slowly toward each other. If the substance being looked for is present, a visible line forms in the gel where the two meet. The result is a present or absent answer, reported once for each substance the laboratory checks for.

Rates data updated July 2026.

How much does Gel Diffusion Test For A Specific Substance cost?

$12.88

Typical negotiated rate. In Kansas, July 2026.

Insurers have agreed to pay about $12.88 for this service. The price depends on where it is billed: about $10.47 from a physician practice, and about $28.18 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 6 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$10.47$10.00 to $12.02
FacilityA hospital or hospital-owned outpatient department$28.18$19.05 to $56.23

How much rates vary

Facilitymedian $28 · 10th to 90th $12 to $91Professionalmedian $10 · 10th to 90th $8 to $25
$10$20$50$100facility $28professional $10

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
$12.88
Median
$26.92
Typical High
$43.65
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$10.47
Typical High
$12.02
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$7.41
Typical High
$7.41
BCBS
Setting
Facility
Modifier
Global
Typical Low
$57.54
Median
$85.11
Typical High
$91.20
BCBS
Setting
Professional
Modifier
Global
Typical Low
$24.55
Median
$24.55
Typical High
$24.55
Cigna
Setting
Facility
Modifier
Global
Typical Low
$7.94
Median
$19.50
Typical High
$27.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$13.49
Typical High
$67.61
Medica
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$10.96
Typical High
$32.36
Medica
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$9.77
Typical High
$20.89
United
Setting
Facility
Modifier
Global
Typical Low
$7.24
Median
$12.02
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$10.00
Typical High
$21.38

Where Kansas sits

The same service costs 2.6 times more in South Dakota than in Washington, DC. 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.

Kansas· 28th of 51

$12.88

SD $22.91DC $8.91

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.