Occult Blood, Fecal by Immunoassay
Ordering Recommendation
New York DOH Approval Status
Specimen Required
Stool.
For Clinical Collections: Dip sampling bottle transfer wand into stool collection and place back into the FOBT-CHEKoc sampling bottle (ARUP Supply #49940) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at 800-522-2787.
For Patient In-Home Collection: Patients will dip sampling bottle transfer wand into stool collection and place back into the FOBT-CHEKoc sampling bottle provided in the Patient Take Home Kit (ARUP Supply #49952 which comes with complete patient collection instructions) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at 800-522-2787. Stool must be transferred to sampling bottle within 4 hours.
Refrigerated.
Unpreserved stool.
Ambient: 15 days; Refrigerated: 1 month; Frozen: Unacceptable
Methodology
Qualitative Immunoassay
Performed
Sun-Sat
Reported
2-3 days
Reference Interval
Negative
Interpretive Data
No single cutoff provides superior colorectal cancer detection rates. The test manufacturer recommends the use of a 100 ng/mL cutoff that produces a specificity of approximately 95 percent for the detection of lower gastrointestinal bleeding. This test does not detect upper gastrointestinal bleeding.
Note
Hotline History
CPT Codes
82274
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3000417 | Occult Blood, Fecal Immunoassay Interp | 2335-8 |
Aliases
- Fecal globin
- Fecal Immunochemical Testing (FIT)
- Fecal occult blood immunoassay
- iFOBT