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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 October 2026.

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

$12.59

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $12.59 for this service. Most negotiated rates run $10.96 to $13.49.

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.

How much rates vary

Facilitymedian $12 · 10th to 90th $9 to $22Professionalmedian $13 · 10th to 90th $9 to $19
$10$20facility $12professional $13

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$16.98
Typical High
$24.55
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$12.59
Typical High
$14.13
CareFirst
Setting
Professional
Modifier
None
Typical Low
$12.02
Median
$13.49
Typical High
$13.80
Cigna
Setting
Facility
Modifier
None
Typical Low
$8.91
Median
$11.75
Typical High
$21.88
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.91
Median
$17.78
Typical High
$40.74
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$16.98
Median
$19.50
Typical High
$25.12
United
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$10.00
Typical High
$14.13
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$16.60
Typical High
$16.60

Where Maryland 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.

Maryland· 50th of 51

$12.59

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.