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Beaumont Laboratory

Immunocompromised Parasitic Screen

Cryptosporidium, Isospora, Cyclospora, Microsporidium, EPIC: O138253

Instructions

Specimen Collection Criteria

Collect: Random stool specimen, duodenal aspirate, or sputum placed in a transport vial with SAF preservative.

  • Fill the vial until the fluid level reaches the red fill line.
  • Unpreserved stool must be placed in SAF within 1 hour of collection. 

Physician Office/Drawsite Specimen Preparation

Specimens in SAF preservative may be maintained at room temperature (20-25°C or 68-77°F) prior to transport.

Preparation for Courier Transport

Transport: Stool, duodenal aspirate, or sputum specimen in SAF preservative, at room temperature (20-26°C or 68-78.8°F).

Rejection Criteria

  • Dried, hard specimens.
  • Rectal swabs.
  • Specimens in leaking containers or containers that have fecal material on the outside of the container.
  • Specimens containing oil or urine.
  • Specimens that contain toilet water.
  • Specimens received in diapers.
  • Specimens collected within 7 days of the patient taking a laxative.
  • Specimens collected following a soap suds enema.
  • Stools containing barium.
  • Specimens collected within 14 days following antibiotic usage.
  • Unpreserved specimens greater than 1 hour past collection.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 1 hour (Unpreserved)
Room Temperature (20-25°C or 68-77°F): 7 days (Preserved)
Refrigerated (2-8°C or 36-46°F): 7 days (Preserved)
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Room Temperature (20-26°C or 68-78.8°F): 7 days

Laboratory

Grosse Pointe sent to Royal Oak Microbiology Laboratory for testing.
Royal Oak Microbiology Laboratory.
Troy sent to Royal Oak Microbiology Laboratory for testing.

Performed

Monday - Friday, 7:00 a.m. - 3:30 p.m.
Results available same day, if the specimen is received in the laboratory by 7:00 a.m.
Weekends: Specimens submitted after 7:00 a.m. on Friday will be tested the following Monday.

Reference Range

No Cryptosporidium spp., Isospora spp., Cyclospora spp., Microsporidium spp., or Ova and Parasites seen.

Test Methodology

Concentration, stain, microscopic examination, immunochromatographic assay.

Clinical Disease

Parasitic protozoa and helminths of various types may inhabit the intestinal tracts of humans. Diarrhea, malnutrition, anemia, and intestinal obstruction are some of the consequences of infection with intestinal parasites.

Reference

  1. Garcia, L.S. 2007. Diagnostic Medical Parasitology, 5th edition. ASM Press, Washington, D.C. 
  2. Lindsay, D.S., Upton, S. J., and Weiss, L. M. 2011. Isospora, Cyclospora, and Sarcocystis. Versalovic, J., et. al. (eds.), Manual of Clinical Microbiology, 9th ed. ASM Press, Washington, D.C., Chapter 138. 
  3. Xiao, L. and Cama, V. 2011. Cryptosporidium. Versalov, J., et. al. (eds), Manual of Clinical Microbiology, 10th ed. ASM Press, Washington, D.C. Chapter 139.

CPT Code

87207x3, 87015x3, 87177, 87209, 87328.

Last Updated

10/08/2015

Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.