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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 October 2026.

How much does Giardia Stool Antigen Test cost?

$11.48

Typical negotiated rate. In Michigan, October 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 $13.49 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$10.96$8.91 to $13.49
FacilityA hospital or hospital-owned outpatient department$13.49$11.48 to $38.02

How much rates vary

Facilitymedian $13 · 10th to 90th $9 to $65Professionalmedian $11 · 10th to 90th $9 to $17
$5$10$20$50$100facility $13professional $11

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
$11.48
Median
$11.48
Typical High
$17.78
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$5.75
Median
$5.75
Typical High
$8.91
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$2.29
Typical High
$3.55
Aetna
Setting
Professional
Modifier
None
Typical Low
$10.23
Median
$11.48
Typical High
$14.13
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.13
Median
$5.75
Typical High
$6.03
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.04
Median
$2.29
Typical High
$2.40
BCBS Michigan
Setting
Facility
Modifier
None
Typical Low
$8.91
Median
$12.59
Typical High
$22.39
BCBS Michigan
Setting
Professional
Modifier
None
Typical Low
$8.91
Median
$8.91
Typical High
$8.91
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$10.00
Typical High
$16.98
Health Alliance Plan
Setting
Facility
Modifier
None
Typical Low
$10.23
Median
$17.78
Typical High
$66.07
Health Alliance Plan
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$5.75
Median
$5.75
Typical High
$8.91
Health Alliance Plan
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$2.29
Typical High
$3.55
Health Alliance Plan
Setting
Professional
Modifier
None
Typical Low
$10.23
Median
$14.13
Typical High
$20.89
Health Alliance Plan
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.75
Median
$5.75
Typical High
$5.75
Health Alliance Plan
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$2.29
Typical High
$2.29
Priority Health
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$12.02
Typical High
$15.49
United
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$10.72
Typical High
$14.45
United
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$9.77
Typical High
$15.49

Where Michigan sits

The same service costs 4.7 times more in Alaska than in New Jersey. 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.

Michigan· 29th of 51

$11.48

AK $39.81NJ $8.51

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.