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West Nile Virus Antibody Test, IgM

Washington, DC 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?

$13.49

Typical negotiated rate. In Washington, DC, October 2026.

Insurers have agreed to pay about $13.49 for this service. Most negotiated rates run $12.02 to $23.99.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $28 · 10th to 90th $13 to $63Professionalmedian $13 · 10th to 90th $10 to $29
$10$20$50$100facility $28professional $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
$12.59
Median
$12.59
Typical High
$12.59
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$12.59
Typical High
$12.59
CareFirst
Setting
Professional
Modifier
None
Typical Low
$12.02
Median
$13.49
Typical High
$23.99
Cigna
Setting
Facility
Modifier
None
Typical Low
$27.54
Median
$28.18
Typical High
$63.10
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.12
Median
$19.50
Typical High
$123.03
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$32.36
Median
$32.36
Typical High
$35.48
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$10.23
Typical High
$28.84

Where Washington, DC 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.

Washington, DC· 45th of 51

$13.49

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.