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Giardia Stool Antigen Test

Alabama 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?

$10.47

Typical negotiated rate. In Alabama, October 2026.

Insurers have agreed to pay about $10.47 for this service. The price depends on where it is billed: about $8.71 from a physician practice, and about $10.47 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$8.71$6.17 to $13.80
FacilityA hospital or hospital-owned outpatient department$10.47$10.47 to $10.47

How much rates vary

Facilitymedian $10 · 10th to 90th $10 to $14Professionalmedian $9 · 10th to 90th $5 to $14
$10$20$50facility $10professional $9

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
$12.02
Median
$13.80
Typical High
$13.80
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$13.80
Typical High
$13.80
Ambetter
Setting
Professional
Modifier
None
Typical Low
$6.03
Median
$6.03
Typical High
$8.32
BCBS Alabama
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$10.47
Typical High
$10.47
BCBS Alabama
Setting
Professional
Modifier
21 + 22 · Increased work + 24 · Unrelated visit after surgery + 31 + 55 · Aftercare only + 99 · Multiple modifiers
Typical Low
$7.59
Median
$9.12
Typical High
$11.22
Cigna
Setting
Facility
Modifier
None
Typical Low
$9.77
Median
$10.23
Typical High
$38.02
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.17
Median
$7.59
Typical High
$69.18
United
Setting
Facility
Modifier
None
Typical Low
$4.27
Median
$10.72
Typical High
$12.02
United
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$6.17
Typical High
$8.91
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
$5.37
Median
$6.92
Typical High
$6.92
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.14
Median
$2.75
Typical High
$2.75

Where Alabama 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.

Alabama· 37th of 51

$10.47

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.