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West Nile Virus Antibody Test, IgM

Montana rates for HCPCS 86788

This blood test looks for a type of antibody the immune system makes early during a West Nile virus infection. A positive result suggests a recent infection, since this particular antibody type tends to fade over time. It's ordered when someone has symptoms consistent with West Nile virus, such as fever and headache, especially after a mosquito bite in an area where the virus is present.

Rates data updated July 2026.

How much does West Nile Virus Antibody Test, IgM cost?

$22.91

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $22.91 for this service. The price depends on where it is billed: about $20.89 from a physician practice, and about $28.84 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$20.89$16.98 to $33.11
FacilityA hospital or hospital-owned outpatient department$28.84$22.39 to $53.70

How much rates vary

Facilitymedian $29 · 10th to 90th $21 to $126Professionalmedian $21 · 10th to 90th $15 to $112
$10$100$1K$10K$100Kfacility $29professional $21

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
$57.54
Median
$81.28
Typical High
$125.89
Aetna
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$19.50
Typical High
$112.20
BCBS
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$58.88
Typical High
$81,283.05
BCBS
Setting
Professional
Modifier
Global
Typical Low
$22.39
Median
$22.39
Typical High
$22.39
Cigna
Setting
Facility
Modifier
Global
Typical Low
$24.55
Median
$28.84
Typical High
$95.50
Cigna
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$19.50
Typical High
$24.55
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$23.99
Typical High
$52.48
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$23.99
Typical High
$52.48
Providence
Setting
Facility
Modifier
Global
Typical Low
$24.55
Median
$33.11
Typical High
$95.50
Providence
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$15.14
Typical High
$24.55
United
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$9.55
Typical High
$23.44

Where Montana sits

The same service costs 5.0 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.

Montana· 10th of 51

$22.91

SD $63.10DC $12.59

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.