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Gel Diffusion Test For A Specific Substance

Alaska 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?

$14.13

Typical negotiated rate. In Alaska, July 2026.

Insurers have agreed to pay about $14.13 for this service. The price depends on where it is billed: about $26.92 from a physician practice, and about $10.96 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$26.92$12.02 to $39.81
FacilityA hospital or hospital-owned outpatient department$10.96$10.96 to $41.69

How much rates vary

Facilitymedian $11 · 10th to 90th $11 to $83Professionalmedian $27 · 10th to 90th $11 to $40
$10$20$50$100facility $11professional $27

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
$81.28
Median
$83.18
Typical High
$141.25
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$36.31
Typical High
$79.43
Cigna
Setting
Facility
Modifier
Global
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$13.49
Typical High
$16.98
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$12.02
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$12.02
Typical High
$38.90
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$45.71
Typical High
$77.62
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$22.39
Median
$26.92
Typical High
$26.92
Providence
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$10.96
Providence
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$12.02
Typical High
$15.49
United
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$41.69
United
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$16.60
Typical High
$117.49

Where Alaska 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.

Alaska· 22nd of 51

$14.13

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.