Fecal Occult Blood Testing

Mayo Medical Laboratories Tests

October 2011

The tests available for fecal occult blood testing through Mayo Medical Laboratories include test #60693 which is the Immunochemical Fecal Occult Blood test or FIT. A random stool sample which can be collected with the fecal occult blood test kit listed here, supply number T682. It is important that specimens are shipped refrigerate. This test is performed quantitatively but will be reported with a qualitative result. Another fecal occult blood test available is test #9220, the HemoQuant assay, which is useful for detection of occult blood in situations of suspected iron deficiency or anemia. In this case, we ask that patients refrain from meat and aspirin 3 days prior to the collection of the specimen. This is a random feces collection. It should be collected with the kit listed here, supply number T134. It is important that specimens are shipped frozen.

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Jump to section:

• Introduction
• Occult Gastrointestinal (GI) Bleeding: Definition
• Quantity of GI Bleeding Required to "See" Blood in Stool
• Fecal Occult Blood Tests
• Why Detect Occult GI Bleeding?
• Causes of Fe Deficiency in Industrialized Countries (Average %)
• Causes of Occult GI Bleeding
• Fecal Detection of Ingested Blood
• Iron Deficiency or Anemia: Which Test?
• CRC Screening: Target Lesions
• Occult Bleeding From Colorectal Cancer
• Fecal Blood Testing for Colorectal Cancer (CRC)
• FOBT Screening
• Stool Test Detection of CRN in Screen Setting
• Laboratory Testing vs Office Digital Rectal Exam (DRE)
• Evaluation of Fecal Immunochemical Testing (FIT) Assays
• FIT Specificity
• CRC Screening by FOBTs
• CRC Screening Guidelines*
• CRC Screening: Which Fecal Blood Test?
• Soft Indications for FOBT Use?
• Fecal Occult Blood Tests Summary
• Mayo Medical Laboratories Tests
• Questions?
• Disclosures