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Pathology and Laboratory Medicine
Test Catalogue

​FIT (Fecal Immnochemical Test - for occult blood)

Chemistry

​Ordering Recommendation

  • ​For community outpatients

​ ​Specimen Requirements

Type​
  • ​Stool
​Container
​Collection Procedure
​Stability/Storage
  • Once in collection container:
      • 15 days at room temperature
      • 30 days refrigerated
​Grounds for Rejection

Testing Information​ ​

​Availability
  • Shipped weekly Monday to Friday
Testing Site​
  • ​Referred out by St. Paul's Hospital to Roy Romanow Provincial Laboratory
Results Reporting​
  • 3 day turnaround time by testing laboratory
​Clinical Interpretation
  • ​Identifies the globin component of human hemoglobin in fecal specimens with a high degree of analytical sensitivity
  • False negative results may occur since bowel lesions, including some colorectal cancers and significant polyps may not bleed at all or may bleed intermittently, or the blood may not be uniformly distributed in a fecal specimen and therefore missed during collection
  • False positive results may occur due to certain medications that may cause gastrointestinal irritation resulting in occult bleeding
​SHR LIS Test Code
  • FIT (For Laboratory Use Only)

 

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Laboratory Controlled Document LSM-921 v2

Last Modified: Thursday, December 5, 2019 |
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