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West Nile Virus Antibody Test, IgM

Maryland 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?

$14.13

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $14.13 for this service. The price depends on where it is billed: about $12.88 from a physician practice, and about $46.77 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 6 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$12.88$12.59 to $20.89
FacilityA hospital or hospital-owned outpatient department$46.77$19.50 to $53.70

How much rates vary

Facilitymedian $47 · 10th to 90th $12 to $56Professionalmedian $13 · 10th to 90th $10 to $66
$10$20$50$100facility $47professional $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
$15.49
Median
$46.77
Typical High
$56.23
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$14.13
Typical High
$66.07
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$5.13
Median
$12.02
Typical High
$22.39
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$11.75
Typical High
$21.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$16.98
Typical High
$40.74
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$19.50
Typical High
$25.12
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$7.08
Typical High
$12.88
United
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$10.00
Typical High
$15.85
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$11.75
Typical High
$25.12

Where Maryland 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.

Maryland· 48th of 51

$14.13

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.