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West Nile Virus Antibody Test, IgM

North Carolina 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?

$15.14

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $15.14 for this service. The price depends on where it is billed: about $13.49 from a physician practice, and about $51.29 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 7 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$13.49$13.49 to $15.14
FacilityA hospital or hospital-owned outpatient department$51.29$16.22 to $70.79

How much rates vary

Facilitymedian $51 · 10th to 90th $14 to $79Professionalmedian $13 · 10th to 90th $10 to $22
$5$10$20$50$100facility $51professional $13

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
$13.80
Median
$53.70
Typical High
$72.44
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$13.49
Typical High
$22.39
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$11.75
BCBS
Setting
Facility
Modifier
Global
Typical Low
$28.84
Median
$38.02
Typical High
$64.57
BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$12.30
Typical High
$12.30
Cigna
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$32.36
Typical High
$75.86
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$11.75
Typical High
$25.70
Medcost
Setting
Professional
Modifier
Global
Typical Low
$36.31
Median
$36.31
Typical High
$36.31
Medcost
Setting
Facility
Modifier
Global
Typical Low
$13.49
Median
$16.98
Typical High
$26.30
Medcost
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$5.25
Typical High
$5.25
United
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$21.88
Typical High
$29.51
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.23
Typical High
$22.91
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$79.43
Median
$79.43
Typical High
$79.43

Where North Carolina 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.

North Carolina· 42nd of 51

$15.14

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.