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Giardia Stool Antigen Test

Maryland 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.

Facilitymedian $56 · 10th–90th $9$830%10%20%10th90th$56Professionalmedian $10 · 10th–90th $8$220%20%10th90th$10$5.0$10.0$20.0$50.0$100.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$64.57
Typical High
$83.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$10.47
Typical High
$46.77
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$9.55
Typical High
$11.75
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.31
Median
$8.32
Typical High
$15.49
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$12.02
Typical High
$29.51
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$13.80
Typical High
$17.78
United
Setting
Facility
Modifier
Global
Typical Low
$5.01
Median
$5.75
Typical High
$14.13
United
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$6.92
Typical High
$14.13
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$4.68
Median
$8.32
Typical High
$17.78