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Test Code FOBI Occult Blood, Stool (FIT)

Performing Laboratory

Bronson Laboratory Services-Microbiology Section

Reference Values



OC-light FIT S Immunoassay

The OC-light FIT S immunoassay method for fecal occult blood has no dietary restrictions.

Specimen Requirements

Patient Preparation:  The OC Light FIT S method is a sensitive immunoassay without the limitations of traditional guaiac testing.  With OC Light FIT S, there are no dietary or medicinal restrictions. 

Specimen Type: Stool

Collection Instructions:  Label vial with patient’s name, date of birth, and date and time of collection.


Outpatient:  Please follow instructions with OC Light FIT S Collection vial.
Inpatient: Small amount of stool in plastic cup with screw top.

Specimen Handling:  Specimen in OC-light FIT S vial must arrive in the laboratory within 15 days of collection for outpatients and within 4 hours (if raw stool) for inpatients.

Specimen Transport Temperature

Ambient 15 days/Refrigerate up to 30 days-OC-light FIT S vial

Ambient 4 hours-Plastic stool vial

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding