go back

Gel Diffusion Test For A Specific Substance

Hawaii 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?

$21.38

Typical negotiated rate. In Hawaii, July 2026.

Insurers have agreed to pay about $21.38 for this service. Most negotiated rates run $15.14 to $26.92.

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.

How much rates vary

Facilitymedian $12 · 10th to 90th $10 to $14Professionalmedian $22 · 10th to 90th $14 to $30
$10$20facility $12professional $22

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
$9.77
Median
$11.75
Typical High
$14.45
Aetna
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$14.13
Typical High
$16.60
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$9.33
Typical High
$14.45
HMSA
Setting
Professional
Modifier
Global
Typical Low
$20.89
Median
$26.92
Typical High
$29.51
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$14.45
Typical High
$23.44
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$16.60
Typical High
$23.44
University Health Alliance
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$21.88
Typical High
$30.90

Where Hawaii 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.

Hawaii· 2nd of 51

$21.38

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.