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West Nile Virus Antibody Test, IgM

Illinois 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 October 2026.

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

$12.88

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $12.88 for this service. The price depends on where it is billed: about $12.88 from a physician practice, and about $35.48 from a hospital or other facility.

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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$12.88$10.00 to $13.80
FacilityA hospital or hospital-owned outpatient department$35.48$22.91 to $54.95

How much rates vary

Facilitymedian $35 · 10th to 90th $19 to $93Professionalmedian $13 · 10th to 90th $3 to $22
$5$10$20$50$100$200facility $35professional $13

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$24.55
Typical High
$50.12
Aetna
Setting
Professional
Modifier
None
Typical Low
$13.18
Median
$13.80
Typical High
$20.42
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$21.38
Median
$37.15
Typical High
$173.78
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$3.47
Median
$12.88
Typical High
$12.88
Cigna
Setting
Facility
Modifier
None
Typical Low
$18.62
Median
$38.90
Typical High
$69.18
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.71
Median
$19.95
Typical High
$30.20
Hally Health
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$26.92
Typical High
$114.82
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$21.88
Median
$21.88
Typical High
$21.88
Molina
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$20.89
United
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$20.42
Typical High
$20.89
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$10.72
Typical High
$18.20

Where Illinois sits

The same service costs 3.2 times more in Alaska than in New York. 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.

Illinois· 49th of 51

$12.88

AK $38.02NY $12.02

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.