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West Nile Virus Antibody Test, IgM

Washington 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?

$15.85

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $15.85 for this service. The price depends on where it is billed: about $15.14 from a physician practice, and about $25.12 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$15.14$10.96 to $16.98
FacilityA hospital or hospital-owned outpatient department$25.12$18.62 to $33.88

How much rates vary

Facilitymedian $25 · 10th to 90th $17 to $47Professionalmedian $15 · 10th to 90th $7 to $20
$10$20$50facility $25professional $15

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
$15.85
Median
$16.60
Typical High
$51.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$15.85
Median
$15.85
Typical High
$19.95
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$19.50
Typical High
$46.77
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$15.14
Typical High
$16.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$17.38
Median
$30.90
Typical High
$43.65
Cigna
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$17.78
Typical High
$23.99
Molina
Setting
Professional
Modifier
None
Typical Low
$10.72
Median
$14.79
Typical High
$14.79
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$18.62
Typical High
$33.88
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$29.51
Typical High
$46.77
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$20.42
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$27.54
Typical High
$46.77
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$15.14
Typical High
$16.98
United
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$20.42
Typical High
$20.42
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$7.08
Typical High
$19.05
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$16.98
Typical High
$30.20

Where Washington 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.

Washington· 29th of 51

$15.85

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.