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Legionella Fluorescent Antigen Test

Washington rates for HCPCS 87278

A laboratory test that looks for Legionella pneumophila, the bacterium behind Legionnaires' disease, in a sample taken from the lungs or airway. The sample is treated with antibodies carrying a fluorescent tag and examined under a special microscope, so the bacteria glow if they are present. It is used when a severe pneumonia may be caused by this organism.

Rates data updated October 2026.

How much does Legionella Fluorescent Antigen Test cost?

$14.79

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $14.79 for this service. The price depends on where it is billed: about $14.13 from a physician practice, and about $22.91 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$14.13$9.33 to $15.14
FacilityA hospital or hospital-owned outpatient department$22.91$16.22 to $30.90

How much rates vary

Facilitymedian $23 · 10th to 90th $15 to $42Professionalmedian $14 · 10th to 90th $7 to $18
$10$20$50facility $23professional $14

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
$14.79
Typical High
$21.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$13.49
Median
$14.79
Typical High
$15.14
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$11.75
Median
$17.78
Typical High
$42.66
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$14.13
Typical High
$15.49
Cigna
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$22.91
Typical High
$40.74
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.76
Median
$15.49
Typical High
$21.88
Molina
Setting
Professional
Modifier
None
Typical Low
$10.00
Median
$13.80
Typical High
$13.80
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$19.50
Typical High
$31.62
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$27.54
Typical High
$42.66
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$13.49
Median
$14.13
Typical High
$18.62
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$24.55
Typical High
$42.66
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$14.13
Typical High
$15.49
United
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$18.62
Typical High
$18.62
United
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$6.61
Typical High
$16.60
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$15.49
Typical High
$28.18
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$7.41
Median
$7.41
Typical High
$7.59
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.95
Median
$2.95
Typical High
$3.02

Where Washington sits

The same service costs 3.6 times more in Kansas than in Nebraska. 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· 27th of 51

$14.79

KS $38.02NE $10.47

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.