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Test Code LAB90021 Microsporidia Stain, Varies

Additional Codes

Mayo Test ID
MTBS

47833

Reporting Name

Microsporidia Stain

Useful For

Diagnosis of extra-intestinal microsporidiosis involving the lung, skin, and other organs, particularly in immunocompromised hosts

 

Diagnosis of ocular microsporidiosis

Testing Algorithm

For more information see Parasitic Investigation of Stool Specimens Algorithm

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Varies


Ordering Guidance


This test is intended to be ordered on specimens other than stool and urine.



Specimen Required


Submit only 1 of the following specimens:

 

Specimen Type: Duodenal aspirate (small intestinal aspirate, jejunal aspirate, small bowel aspirate)

Container/Tube: Sterile container

Specimen Volume: 0.5 mL

Additional Information: ECOFIX and 10% formalin are acceptable preservatives.

Specimen Stability Information: Preserved Ambient (preferred) <10 days/Refrigerated <3 days

 

Specimen Type: Respiratory secretions (bronchoalveolar lavage [BAL], sputum, bronchial wash, pleural fluid)

Container/Tube: Sterile container

Specimen Volume: 0.5 mL

Specimen Stability Information: Refrigerated <3 days (preferred)/Frozen <10 days

 

Specimen Type: Eye (vitreous fluid, ocular fluid)

Container/Tube: Sterile container

Specimen Volume: 0.5 mL

Specimen Stability: Refrigerated <3 days

 

Specimen Type: Corneal scraping

Container/Tube: Sterile container

Specimen Volume: 0.5mL in sterile saline

Additional Information: Place scrapings in sterile saline for shipping.

Specimen Stability: Refrigerated <3 days

 

Specimen Type: Fresh tissue (lung, eye, bladder, rectal, intestinal, colon, skin, muscle, kidney)

Container/Tube: Sterile container

Specimen Volume: 3-mm biopsy in 0.1-mL sterile saline

Specimen Stability: Refrigerated <3 days

 

Specimen Type: Gallbladder aspirate/Bile aspirate

Container/Tube: Sterile container

Specimen Volume: 0.5 mL

Specimen Stability: Refrigerated <3 days/Frozen <10 days


Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reference Values

Negative

If positive, reported as Microsporidia detected

Day(s) Performed

Monday through Friday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

87015-Concentration

87207-Stain

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MTBS Microsporidia Stain 10857-1

 

Result ID Test Result Name Result LOINC Value
MTBS Microsporidia Stain 10857-1

Report Available

2 to 4 days

Method Name

Trichrome-Blue Stain (Ryan Modification)

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.