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Test Code FOBI Diagnostic Fecal Occult Blood, Immuno, Diagnostic

Aliases

Fecal Occult Blood, Immuno, Screen; FOBT; FOBT, Immuno Screen; FOBI Screen

Patient Preparation

No special patient preparation required

Collection Method

Random stool, or in a specific Fobi collection vial

Minimum Volume

1 mL – Random

Container

Polymedco OC-Auto Container

Preferred Specimen

Stool in FOBI Specimen Container

Acceptable Specimens

Stool in FOBI Specimen Container, Raw stool in sterile collection container

Reference or Target Ranges

Negative

Reportable Units

Positive/Negative

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other QNS, improperly labeled, improper container, overfilled FOBI specimen container

Specimen Stability

Ambient Raw specimen: 4 hours
In FOBI container: 15 days
Refrigerated (4°C to 8°C) Raw specimen: N/A
In FOBI container: 30 days
Frozen(-70°C to 0°C) N/A

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Routine: Within 4 hours of arrival in lab
Stat Availabilty No
Performing Bench UH UA
Methodology/Method Description Immunoassay utilizing rabbit polyclonal antibodies to specifically detect the presence of hemoglobin in feces.

Additional Information/Important Notes

Important note:
Please use this testing method for fecal occult blood testing. Occult blood card testing is primarily reserved for WCH ER
Limitations

  • Only for the detection of hemoglobin in feces.
  •  
  • Patients with the following conditions should not be considered for testing until bleeding ceases:
    • bleeding hemorrhoids
    •  
    • menstrual bleeding
    •  
    • constipation related bleeding
    •  
    • urinary bleeding
  •  
  • OC-Auto Micro 80 FOB test is not intended for use in patients with upper GI bleeds.

CPT Codes

82274 or G0328