Ordering Recommendation

Can be used for follow up of negative PCR result when suspicion of microsporidia infection remains high.

Mnemonic
MICROST
Methodology

Qualitative Stain

Performed

Sun-Sat

Reported

1-2 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Stool. Recommended collection: 3 separate stool specimens within a 5-7-day period (an individual order must be submitted for each specimen).

Specimen Preparation

Preserve 2 g of stool within one hour of collection in AlcorFix (ARUP Supply #52059) available online through eSupply using ARUP Connect™ contact ARUP Client Services at (800) 522-2787. (Min: 1 g) Additional specimen collection instructions can be found at https://www.aruplab.com/parasep. Preserving in 10 percent formalin is also acceptable.

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Unpreserved stool or specimens in any other preservative than indicated above.

Remarks
Stability

Ambient: 9 months; Refrigerated: 9 months; Frozen: Unacceptable

Reference Interval

Negative

Interpretive Data

Refer to report.

Compliance Category

Standard

Note
Hotline History
N/A
CPT Codes

87207; 87015

Components
Component Test Code* Component Chart Name LOINC
0060050 Microsporidia Stain - Modified Trichrome 32701-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Encephalitozoon
  • Entercytozoon
  • Nosema
  • Pleistophora
Microsporidia Stain by Modified Trichrome