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Test Code LAB4615 CRYPTOSPORIDIUM/GIARDIA ANTIGEN

Specimen Type

Preferred Specimen: Culture and Sensitivity Stool Transport Vial (Orange top)

Alternative Specimen: Fresh Stool – Transport as soon as possible

Collection Instructions

Patient should pass the stool into a clean, dry pan or a special container mounted on the toilet for this purpose. Using the collection spoon inside the vial put the stool in the vial(s) until the liquid reaches the red line. Mix contents with collection spoon. Tighten cap and shake firmly to insure that the specimen is adequately mixed.

Specimen Volume

Walnut sized piece

Turnaround Time

STAT: 2 hours
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Preferred Specimen:
Refrigerated: 2 Weeks

Frozen: 2 Months

Alternative Specimen: 

Transport as soon as possible after collection. Fresh Stool is only stable for an hour. Extended storage conditions have not been validated. 

Method

Rapid Qualitative Immunochromatographic Assay

Reference Ranges

Giardia Lamblia Ag: Negative

Giardia Lamblia Ag: Positive
 

Cryptosporidium Ag: Negative

Cryptosporidium Ag: Positive

Synonyms

Cryptosporidium/Giardia Lamblia Antigen, Crypto Giardia Ag

Test Components

Cryptosporidium Ag, Giardia Lamblia Ag

CPT Codes

87328, 87329

Rejection Criteria

Rectal swabs

PVA specimens

Limitations

Stool samples contaminated with an oily or particulate base (ex: barium, mineral oil etc) could interfere with the test and are not recommended.