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West Nile Virus Antibody Test, IgM

Massachusetts 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 $42 · 10th–90th $15$1070%10%10th90th$42Professionalmedian $17 · 10th–90th $13$450%20%40%10th90th$17$10.0$50.0$200.0$1.0K$5.0K$20.0K

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
$16.98
Median
$38.90
Typical High
$128.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$15.14
Typical High
$64.57
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$23.99
Typical High
$79.43
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$16.98
Typical High
$40.74
BCBS
Setting
Facility
Modifier
Global
Typical Low
$33.11
Median
$41.69
Typical High
$60.26
BCBS
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$18.20
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$26.92
Typical High
$43.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$20.42
Typical High
$44.67
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$16.22
Median
$114.82
Typical High
$7,079.46
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$24.55
Median
$24.55
Typical High
$28.84
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$43.65
Health New England
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$18.62
Typical High
$31.62
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$23.99
Typical High
$79.43
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$16.98
Typical High
$40.74
United
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$16.98
Typical High
$24.55
United
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$15.85
Typical High
$45.71