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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 October 2026.

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

$24.55

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $24.55 for this service. The price depends on where it is billed: about $22.39 from a physician practice, and about $28.18 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$22.39$15.14 to $24.55
FacilityA hospital or hospital-owned outpatient department$28.18$24.55 to $30.90

How much rates vary

Facilitymedian $28 · 10th to 90th $22 to $39Professionalmedian $22 · 10th to 90th $7 to $30
$10$20$50$100facility $28professional $22

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$19.50
Median
$19.50
Typical High
$19.50
Aetna
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$19.50
Typical High
$19.50
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$22.39
Median
$22.39
Typical High
$58.88
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$22.39
Median
$22.39
Typical High
$22.39
Cigna
Setting
Facility
Modifier
None
Typical Low
$24.55
Median
$25.12
Typical High
$50.12
Cigna
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$24.55
Typical High
$24.55
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$28.18
Typical High
$38.90
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$22.91
Median
$25.12
Typical High
$30.20
Providence
Setting
Facility
Modifier
None
Typical Low
$24.55
Median
$25.12
Typical High
$50.12
Providence
Setting
Professional
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$24.55
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$7.08
Typical High
$16.98

Where Montana sits

The same service costs 3.2 times more in Alaska than in New York. 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· 5th of 51

$24.55

AK $38.02NY $12.02

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.