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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.

Facilitymedian $23 · 10th–90th $17$780%10%10th90th$23Professionalmedian $19 · 10th–90th $9$250%20%10th90th$19$2.0$5.0$10.0$20.0$50.0$100.0$200.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

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