Giardia/Cryptosporidium Antigen

CERNER / EPIC MNEMONIC:

CRYPTGIA

POE DESCRIPTION:

CRYPTGIA

CPT CODE:

87328 and 87329

CDM NUMBER:

3422008 and 3422009

TEST INFORMATION:

This test is used to detect the presence of Cryptosporidum and/or Giardia in infected patients

DAYS PERFORMED:

Monday through Friday

TURNAROUND TIME:

1 - 3 days

SPECIAL INSTRUCTIONS:

Specimens should be placed in Eco-Fix or Carey Blair preservatives

CONTAINER TYPE:

Eco-Fix or Carey Blair preservative

SPECIMEN REQUIREMENTS:

Stool added to preservative up to fill line.

REJECTION CRITERIA:

Specimen not in proper container, leaky container, mislabeled or no label.  Stool specimens preserved in PVA.

MINIMUM VOLUME:

0.5 cc of fresh stool; stool in preservative up to the volume line on the container

HANDLING INSTRUCTIONS:

If not put into preservative, send to the laboratory immediately.

REFERENCE RANGE:

Giardia and Cryptosporidium antigen not detected.

LIMITATIONS OF TEST:

Concentrations of 20% (v/v) Imodium A-D may result in a false negative reaction when low levels of Cryptosporidium antigen are present.  Proper specimen collection and processing are essential to achieving optimal performance of the assay.

METHODOLOGY:

Enzyme immuno assay

TEST SYNONYM(S):Ova and parasite exam, Cryptosporidium , Giardia