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West Nile Virus Antibody Test, IgM

Louisiana 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?

$20.42

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $20.42 for this service. The price depends on where it is billed: about $18.62 from a physician practice, and about $23.44 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$18.62$12.88 to $20.42
FacilityA hospital or hospital-owned outpatient department$23.44$20.42 to $43.65

How much rates vary

Facilitymedian $23 · 10th to 90th $17 to $78Professionalmedian $19 · 10th to 90th $9 to $25
$10$20$50$100$200facility $23professional $19

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
$17.78
Median
$22.91
Typical High
$91.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$19.95
Typical High
$30.20
BCBS
Setting
Facility
Modifier
Global
Typical Low
$20.42
Median
$33.88
Typical High
$56.23
BCBS
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$18.62
Typical High
$33.11
Christus
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$16.60
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$18.20
Median
$46.77
Typical High
$102.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$11.22
Typical High
$19.50
United
Setting
Facility
Modifier
Global
Typical Low
$7.08
Median
$16.98
Typical High
$20.89
United
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$9.55
Typical High
$23.44

Where Louisiana 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.

Louisiana· 17th of 51

$20.42

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.