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Microsporidia by PCR
Ordering Recommendation
Preferred test to diagnose Microsporidia in immunocompromised patients with persistent diarrhea if Encephalitozoon spp (E. intestinalis/E. hellem/E. cuniculi) or E. bieneusi is the suspected infectious agent.
New York DOH Approval Status
Specimen Required
Stool.
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)
Frozen.
Specimens in Viral Transport Media. Stool in formalin.
Additional information required: Specimen source
Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 2 weeks
Methodology
Qualitative Polymerase Chain Reaction
Performed
Tue, Thu, Sat
Reported
2-5 days
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.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
This test detects and speciates Enterocytozoon bieneusi. The nucleic acid from Encephalitozoon intestinalis, Encephalitozoon hellem, and Encephalitozoon cuniculi will be detected by this test but cannot be differentiated.
Hotline History
CPT Codes
87798 x2
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2011627 | Microsporidia by PCR, Source | 31208-2 |
| 2011628 | Enterocytozoon bieneusi by PCR | 41443-3 |
| 2011629 | Encephalitozoon species by PCR | 94333-2 |
Aliases
- Encephalitozoon cuniculi
- Encephalitozoon hellem
- Encephalitozoon intestinalis
- Enterocytozoon bieneusi
