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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 July 2026.

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

$17.78

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $17.78 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $31.62 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 9 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$15.85$15.14 to $18.62
FacilityA hospital or hospital-owned outpatient department$31.62$18.62 to $44.67

How much rates vary

Facilitymedian $32 · 10th to 90th $17 to $72Professionalmedian $16 · 10th to 90th $8 to $35
$10$20$50$100facility $32professional $16

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
$16.60
Median
$38.90
Typical High
$91.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$14.79
Median
$15.85
Typical High
$112.20
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$20.89
Typical High
$46.77
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$15.14
Typical High
$17.38
Cigna
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$34.67
Typical High
$53.70
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$17.78
Typical High
$26.30
Molina
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$14.79
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$33.88
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$29.51
Typical High
$46.77
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$15.14
Typical High
$20.42
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$25.12
Typical High
$45.71
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$15.14
Typical High
$16.98
United
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$20.42
Typical High
$20.42
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$8.51
Typical High
$19.05
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$8.71
Typical High
$30.20

Where Washington 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.

Washington· 25th of 51

$17.78

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.