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Epic Test Code LAB259 Giardia Antigen

Specimen Type

Random Stool

Preferred Container

Protofix O&P Container (SAF, Formalin and MIF are also acceptable)

Alternate Container

Stool culture collection vial (ETM media)

Volume Required

5 mL

Storage Requirements

Specimen may be stored at room temperature or refrigerated

Transportation Needs

Deliver to the Laboratory as soon as possible

Causes for Rejection

Mislabeled or unlabeled specimen

Improper collection

Non-Stool sample

Days of Analysis


Additional Information

Collection Instructions:

Ova and Parasite collection procedure


Other Information:

Giardia infection is a NYSDOH reportable communicable disease. The NYSDOH will be notified of all positive results

Available STAT



Enzyme immunoassay

Reference Values

Population Units Reference Range
All Populations none Negative


CPT Code


Last Updated



Detects Giardia only. Manufacturer states a sensitivity of 98% and specificity of 98%

LIS Code


Minimum Volume

1 mL