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Gel Diffusion Test For A Specific Substance

New Hampshire 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?

$19.95

Typical negotiated rate. In New Hampshire, July 2026.

Insurers have agreed to pay about $19.95 for this service. The price depends on where it is billed: about $12.88 from a physician practice, and about $38.90 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 5 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$12.88$7.76 to $22.39
FacilityA hospital or hospital-owned outpatient department$38.90$22.91 to $61.66

How much rates vary

Facilitymedian $39 · 10th to 90th $17 to $93Professionalmedian $13 · 10th to 90th $7 to $45
$10$20$50$100facility $39professional $13

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
$13.80
Median
$43.65
Typical High
$95.50
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$13.80
Typical High
$53.70
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$20.42
Median
$23.44
Typical High
$69.18
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$7.76
Typical High
$23.99
Cigna
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$45.71
Typical High
$83.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$12.30
Typical High
$34.67
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$20.89
Typical High
$42.66
United
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$41.69
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$10.00
Typical High
$35.48

Where New Hampshire 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.

New Hampshire· 5th of 51

$19.95

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.