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Test Code MMICM Microscopy, Microsporidia

Additional Codes

Epic Ordering Code LAB5009
NBS code LBC04657
Service code 23222

 

Specimen Requirements

Submit only one of the following

Preferred:  
Stool container White sterile container

Specimen Type: Stool
Container/Tube: Sterile screw-capped container with attached spatula
Volume: 10.0 g / 5.0 mL
Minimum Volume: 5.0 g (size of a grape) / 2.0 mL (liquid stool)
Collection Insructions: Random collection

 

Specimen Type: Corneal scraping
Container/Tube: Glass slide collect set
Volume: Entire collection
Collection Instructions: Please refer to Specimen Collection for Microsporidia.
Please collect glass slide collect set from NUH Microbiology Laboratory.

Corneal scraping: Do not share sample with other requests.

 

Specimen Type: Urine
Container/Tube: Sterile screw-capped container
Volume: 20.0 mL
Minimum Volume: 10.0 mL
Collection Insructions: Collect clean catch urine during the mid-day between noon to 3 pm.

Specimen Stability and Condition

Preferred temperatures for storage prior to and during shipping to NUH 

Specimen Type All types
Ambient Submit to lab as soon as possible
Refrigerate/Frozen Do not refrigerate or freeze sample
Unacceptable conditions

Stool specimen:
More than 1 stool specimen received on the same day.


Stool specimen contaminated with urine.

 

Corneal scraping:
Do not smear across the entire slide. This will reduce the chance of picking up the organism. Smear within the circle.


Do not stick 2 slides with scotch tape together (with sample in between). This will create unnecessary safety hazard for staff handling slides.

Methodology

Microscopy

Days and Times Performed

Monday through Sunday, TAT 1 - 3 days

Reference Interval

Not seen.

 

Critical Values: Clinician will be informed of positive result for corneal scraping.

Testing Laboratory

National University Hospital
Clinical Microbiology, 67724343

Useful For

Diagnosis of microsporidial infection.

Update

Last updated 8/9/2026