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West Nile Virus Antibody Test, IgM

California 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 $49 · 10th–90th $17$1700%5%10%10th90th$49Professionalmedian $18 · 10th–90th $10$680%10%10th90th$18$5.0$20.0$100.0$500.0$2.0K

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
$18.62
Median
$51.29
Typical High
$190.55
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$19.50
Typical High
$112.20
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$9.77
Median
$42.66
Typical High
$85.11
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$14.13
Typical High
$48.98
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$39.81
Median
$100.00
Typical High
$234.42
Blue Shield
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$19.05
Typical High
$47.86
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.88
Median
$29.51
Typical High
$61.66
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$18.20
Typical High
$45.71
Contra Costa Health
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$16.98
Typical High
$26.92
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$16.98
Typical High
$38.02
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
Molina
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$10.00
Typical High
$20.42
Providence
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$19.95
Typical High
$48.98
Providence
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$15.14
Typical High
$42.66
Sutter Health Plus
Setting
Professional
Modifier
Global
Typical Low
$58.88
Median
$58.88
Typical High
$58.88
The Alliance
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$16.60
Typical High
$25.70
United
Setting
Facility
Modifier
Global
Typical Low
$7.08
Median
$12.59
Typical High
$25.12
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.00
Typical High
$35.48