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Giardia Antibody Test

Washington rates for HCPCS 86674

Looks for antibodies the immune system makes against Giardia, a microscopic parasite picked up from contaminated water, food, or close contact. Giardia infection causes long-running watery diarrhea, cramping, bloating, and weight loss. Antibodies show that the body has met the parasite.

Rates data updated July 2026.

How much does Giardia Antibody Test cost?

$16.60

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $16.60 for this service. The price depends on where it is billed: about $13.80 from a physician practice, and about $24.55 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 9 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$13.80$13.18 to $17.78
FacilityA hospital or hospital-owned outpatient department$24.55$17.38 to $33.88

How much rates vary

Facilitymedian $25 · 10th to 90th $15 to $66Professionalmedian $14 · 10th to 90th $9 to $32
$10$20$50$100facility $25professional $14

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
$14.79
Median
$33.88
Typical High
$75.86
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$13.80
Typical High
$97.72
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$14.79
Median
$18.20
Typical High
$40.74
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$13.18
Typical High
$15.14
Cigna
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$31.62
Typical High
$46.77
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$15.49
Typical High
$22.91
Molina
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$32.36
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$14.79
Median
$14.79
Typical High
$29.51
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$14.79
Median
$14.79
Typical High
$16.22
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$14.79
Median
$25.70
Typical High
$40.74
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$13.18
Typical High
$17.78
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$14.79
Median
$21.88
Typical High
$39.81
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$13.18
Typical High
$14.79
United
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$17.78
Typical High
$17.78
United
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$7.41
Typical High
$17.78
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$7.59
Typical High
$26.30

Where Washington sits

The same service costs 2.4 times more in Hawaii than in Maryland. 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· 23rd of 51

$16.60

HI $26.30MD $10.96

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.