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Microsporidia

Item Value
Approval req'd? No
Available Stat? No
Test code P414
Performed by Microbiology
In House Availability Monday-Friday, day shift
Method Modified trichrome stain
Collection Instructions SAF vials and instructions available from Material Services (PMM # 44366 Vials SAF Sterile Child Resistant Cap 574-05-CRC-WB).
Outpatients can obtain these from the laboratories' draw stations.
Container type
Inpatients Clean container
ED/Outpatients SAF preservative for stool, clean container for other sample types


SAF vials and instructions available from Material Services (PMM # 44366 Vials SAF Sterile Child Resistant Cap 574-05-CRC-WB).
Outpatients can obtain these from the laboratories' draw stations.
Amount to Collect See preferred volume
Sample type Body Fluid, Duodenal aspirate, Sputum, Stool, Urine
Preferred volume 10 mL
Note for SAF, fill container to red line on label
Min. Volume 5 mL
Note for SAF, fill container to red line on label
UCSF Rejection Criteria Unpreserved stool received > 1 hour after collection. Stool in a preservative other than SAF. Stool not mixed well in SAF, or if preservative has been poured out. SAF container filled past the red line on the container label. More than one sample per week.
Processing notes Transfer unpreserved stool to SAF preservative upon receipt in lab.
Normal range Negative
Stability Unpreserved samples: 24 hours at room temperature, SAF preserved stool: 2 weeks at room temperature
Turn around times 1-3 days
Additional information This test should only be ordered if tests for other bacterial and parasitic pathogens are negative.

Infection is most common in immmunosuppressed (usually HIV-positive) patients with chronic, non-bloody diarrhea, weight loss and epigastric pain.
CPT coding 87207
LOINC code 32819-5
Last Updated 12/15/2015 10:36:45 AM
Entry Number 663
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