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Stool Test for Parasitic Infection Antigen

Maryland rates for HCPCS 87328

This laboratory test checks a stool sample for a specific antigen produced by a parasite that can cause intestinal infection and diarrhea. It offers a faster result than culturing the organism directly, helping guide prompt treatment.

Rates data updated July 2026.

How much does Stool Test for Parasitic Infection Antigen cost?

$10.96

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $10.96 for this service. The price depends on where it is billed: about $10.47 from a physician practice, and about $16.60 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$10.47$10.23 to $14.79
FacilityA hospital or hospital-owned outpatient department$16.60$10.23 to $66.07

How much rates vary

Facilitymedian $17 · 10th to 90th $8 to $72Professionalmedian $10 · 10th to 90th $8 to $47
$10$20$50$100facility $17professional $10

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
$7.59
Median
$63.10
Typical High
$72.44
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.96
Typical High
$46.77
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.31
Median
$10.96
Typical High
$13.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$7.24
Median
$9.12
Typical High
$17.78
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$13.18
Typical High
$33.88
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$16.60
Typical High
$23.99
United
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$6.61
Typical High
$14.13
United
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$7.08
Typical High
$14.13
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$9.55
Typical High
$20.89

Where Maryland sits

The same service costs 4.8 times more in West Virginia than in Washington, DC. 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.

Maryland· 50th of 51

$10.96

WV $50.12DC $10.47

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.