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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 October 2026.

How much does Giardia Antibody Test cost?

$13.80

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $13.80 for this service. The price depends on where it is billed: about $13.18 from a physician practice, and about $21.88 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$13.18$9.33 to $14.79
FacilityA hospital or hospital-owned outpatient department$21.88$16.22 to $29.51

How much rates vary

Facilitymedian $22 · 10th to 90th $15 to $41Professionalmedian $13 · 10th to 90th $6 to $18
$10$20$50facility $22professional $13

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
$13.80
Median
$13.80
Typical High
$45.71
Aetna
Setting
Professional
Modifier
None
Typical Low
$13.80
Median
$13.80
Typical High
$17.78
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$10.96
Median
$16.98
Typical High
$40.74
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$10.96
Median
$13.18
Typical High
$14.79
Cigna
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$26.92
Typical High
$38.02
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.12
Median
$15.49
Typical High
$21.38
Molina
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$14.79
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$16.22
Typical High
$23.99
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$25.70
Typical High
$40.74
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$13.18
Median
$13.18
Typical High
$17.78
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$24.55
Typical High
$40.74
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$10.96
Median
$13.18
Typical High
$14.79
United
Setting
Facility
Modifier
None
Typical Low
$14.79
Median
$17.78
Typical High
$17.78
United
Setting
Professional
Modifier
None
Typical Low
$6.17
Median
$6.61
Typical High
$16.60
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$14.79
Typical High
$26.30
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
$6.92
Median
$6.92
Typical High
$8.71
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.75
Median
$2.75
Typical High
$3.55

Where Washington sits

The same service costs 3.0 times more in Alaska 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· 32nd of 51

$13.80

AK $33.11MD $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.