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Microsporidia Exam [3562X]
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
MSPORX
Alias/See Also
3562
CPT Codes
87207
Includes
Smear and Concentration (if performed)
Preferred Specimen
5 grams or 5 mL stool submitted in 10% formalin container, or Total-Fix® transport vial
Minimum Volume
Stool or Duodenal fluid: 2 g or 2 mL
Urine, CSF, BAL: 2 mL
Urine, CSF, BAL: 2 mL
Other Acceptable Specimens
Duodenal fluid submitted in 10% formalin container, or Total-Fix® transport vial • Corneal scrapings submitted in a slide holder • Urine, or CSF, or bronchoalveolar lavage submitted in a sterile, leak-proof container
Instructions
1. Stool duodenal aspirates fixed in 10% formalin or Total-Fix®.
2. Urine sediments, CSF, BAL/Nasal secretions: preferred in sterile container, acceptable on microscope slide, methanol (or 10% formalin).
3. Conjunctival/corneal scrapings, preferred on microscope slide, methanol (or 10% formalin). Ship preserved specimens at room temperature (preferred).
2. Urine sediments, CSF, BAL/Nasal secretions: preferred in sterile container, acceptable on microscope slide, methanol (or 10% formalin).
3. Conjunctival/corneal scrapings, preferred on microscope slide, methanol (or 10% formalin). Ship preserved specimens at room temperature (preferred).
Transport Temperature
Stool or Duodenal fluid or Corneal scrapings: Room temperature
Urine, CSF, or BAL: Refrigerated (cold packs)
Urine, CSF, or BAL: Refrigerated (cold packs)
Specimen Stability
Stool, Duodenal, and Corneal scrappings
Room temperature: 30 days
Refrigerated: 30 days
Frozen: Unacceptable
Urine, CSF, and Bronchoalveolar lavage
Room temperature: Unacceptable
Room temperature: 30 days
Refrigerated: 30 days
Frozen: Unacceptable
Urine, CSF, and Bronchoalveolar lavage
Room temperature: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Unpreserved stool • Stool in Cary-Blair or PVA • Received frozen
Methodology
Microscopy
Setup Schedule
Set up: Mon, Thurs a.m.; Report available: Next day
Reference Range
See Laboratory Report
Clinical Significance
Microsporidia infection was first recognized as a cause of chronic diarrhea in patients infected with HIV. Microsporidia may also cause pneumonia, acute bilateral keratoconjunctivitis, and infection of the biliary and pancreatic ducts.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 14225 Newbrook Drive |
| Chantilly, VA 20153 |
Last Updated: November 30, 2021
