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Microsporidia Exam [3562X]
Test CodeMSPE
Alias/See Also
LAB3272
CPT Codes
87207
Includes
Smear and Concentration (if performed)
Preferred Specimen
5 grams or 5 mL stool
Minimum Volume
Stool or Duodenal fluid. 2 g or 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)
Specimen Stability
Stool, Duodenal, and Corneal scrappings
Room temperature: 30 days
Refrigerated: 30 days
Frozen: Unacceptable
Urine, CSF, and Bronchoalveolar
lavage
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 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
Report Available
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: February 20, 2023