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24965 Occult Fecal Immunochemical Test

Occult Fecal Immunochemical Test
Test Code: FIT
Synonyms/Keywords
​FIT, FOBT, iFOBT​, occult blood
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Stool​ 1 innoculated Polymedco sample device​ 1 gram fresh stool in sterile container​
Collection Processing Instructions

Only 1 (one) sample is required. There are no diet restrictions. Do not collect samples during or until three days after a menstrual period, during the presence of bleeding hemorrhoids or blood in the urine.

Collection Processing Instructions – Add below

  1. Open the green cap of the patient-labeled sampling device
  2. Randomly scrape the surface of the fecal sample with the sampling probe; cover the grooved portion of the probe completely with sample.
  3. Close the device by reinserting the probe and screwing the cap on tightly; do not reopen.

Do not cover the foil seal of the test device with labels.

For more information on Specimen Collection, see Specimen Transport Pictorial

Specimen Stability Information
​Specimen Type​Temperature​Time
​Stool-Polymedco device ​​Ambient​15 days
​Refrigerate​30 days
​Fresh sample in sterile container​Refrigerate​24 hours

 

Rejection Criteria
​Frozen specimens
​Para-Pak C&S transport medium
​Other Cary Blair transport medium
Fresh sample in non-sterile cup

 

Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ 1 day​ Polymedco OC-Auto Micro 80 ​
​Neillsville​Monday through Sunday​1 dat​Hemosure iFOB
Reference Range Information
Performing Location Reference Range
Marshfield​ Negative​
Interpretation
Results obtained with this test should not be considered conclusive evidence of the presence or absence of GI bleeding or pathology. This test is designed for preliminary screening, and is not intended to replace other diagnostic procedures, such as colonscopy or sigmoidoscopy in combination with double contrast barium x-ray. ​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
82274 ​ ​Diagnostic screening
G0328​ ​Diagnostic screening
Synonyms/Keywords
​FIT, FOBT, iFOBT​, occult blood
Ordering Applications
Ordering Application Description
​Cerner
​Occult Fecal Immu​nochemical Test
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Stool​ 1 innoculated Polymedco sample device​ 1 gram fresh stool in sterile container​
Collection Processing

Only 1 (one) sample is required. There are no diet restrictions. Do not collect samples during or until three days after a menstrual period, during the presence of bleeding hemorrhoids or blood in the urine.

Collection Processing Instructions – Add below

  1. Open the green cap of the patient-labeled sampling device
  2. Randomly scrape the surface of the fecal sample with the sampling probe; cover the grooved portion of the probe completely with sample.
  3. Close the device by reinserting the probe and screwing the cap on tightly; do not reopen.

Do not cover the foil seal of the test device with labels.

For more information on Specimen Collection, see Specimen Transport Pictorial

Specimen Stability Information
​Specimen Type​Temperature​Time
​Stool-Polymedco device ​​Ambient​15 days
​Refrigerate​30 days
​Fresh sample in sterile container​Refrigerate​24 hours

 

Rejection Criteria
​Frozen specimens
​Para-Pak C&S transport medium
​Other Cary Blair transport medium
Fresh sample in non-sterile cup

 

Reference Range Information
Performing Location Reference Range
Marshfield​ Negative​
Interpretation
Results obtained with this test should not be considered conclusive evidence of the presence or absence of GI bleeding or pathology. This test is designed for preliminary screening, and is not intended to replace other diagnostic procedures, such as colonscopy or sigmoidoscopy in combination with double contrast barium x-ray. ​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ 1 day​ Polymedco OC-Auto Micro 80 ​
​Neillsville​Monday through Sunday​1 dat​Hemosure iFOB
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
82274 ​ ​Diagnostic screening
G0328​ ​Diagnostic screening
For most current information refer to the Marshfield Laboratory online reference manual.