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Giardia Stool Antigen Test

Michigan rates for HCPCS 87329

This laboratory test checks a stool sample for antigens from Giardia lamblia, a parasite that can cause diarrhea and digestive symptoms after being picked up from contaminated water or food. It offers a faster and often more sensitive way to detect this parasite than examining the stool under a microscope.

Rates data updated July 2026.

How much does Giardia Stool Antigen Test cost?

$11.48

Typical negotiated rate. In Michigan, July 2026.

Insurers have agreed to pay about $11.48 for this service. The price depends on where it is billed: about $10.96 from a physician practice, and about $14.13 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 6 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$10.96$10.23 to $11.48
FacilityA hospital or hospital-owned outpatient department$14.13$11.48 to $38.02

How much rates vary

Facilitymedian $14 · 10th to 90th $10 to $60Professionalmedian $11 · 10th to 90th $9 to $14
$5.0$10.0$20.0$50.0$100.0facility $14professional $11

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
$10.00
Median
$14.13
Typical High
$60.26
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$11.48
Typical High
$12.88
BCBS
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$13.49
Typical High
$23.99
BCBS
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$8.91
Typical High
$8.91
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$13.18
Typical High
$16.98
Health Alliance Plan
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.75
Typical High
$20.89
Health Alliance Plan
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$14.45
Typical High
$21.88
Priority Health
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$13.49
Typical High
$16.98
United
Setting
Facility
Modifier
Global
Typical Low
$7.24
Median
$12.02
Typical High
$12.02
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$9.77
Typical High
$15.49

Where Michigan sits

The same service costs 7.4 times more in West Virginia than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Michigan $11.48 · 42nd of 51
WV $66.07DC $8.91

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.