Ordering Recommendation

Do not order for patients with diarrhea developed during prolonged hospitalization. Use as a sensitive alternative to traditional, insensitive ova and parasite examinations of stool specimens for the evaluation of GI infections. Detects Cryptosporidium hominis and parvum, Cyclospora, cayetanensis, Dientamoeba fragilis, Entamoeba histolytica, and Giardia lamblia/intestinalis/duodenalis

Mnemonic
GI PARAPCR
Methodology

Qualitative Polymerase Chain Reaction

Performed

Tue, Thu, Sat

Reported

2-5 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Stool.

Specimen Preparation

Transfer 1 mL stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 0.5 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Formalin-fixed stool.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 2 weeks

Reference Interval
Interpretive Data

A negative result does not rule out the presence of PCR inhibitors in the patient specimen or test-specific nucleic acid in concentrations below the level of detection by this test.

Compliance Category

Laboratory Developed Test (LDT)

Note

This test detects Cryptosporidium spp., Giardia, Entamoeba histolytica, Dientamoeba fragilis, and Cyclospora cayetanensis.

Hotline History
N/A
CPT Codes

87505

Components
Component Test Code* Component Chart Name LOINC
2011192 Cryptosporidium by PCR 60545-1
2011194 Giardia by PCR 60544-4
2011196 Entamoeba histolytica by PCR 6396-6
2011198 Dientamoeba fragilis by PCR 70295-1
2011200 Cyclospora cayetanensis by PCR 41436-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Gastrointestinal Parasite Panel by PCR