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Occult Blood, Fecal by Immunoassay
2007190
Ordering Recommendation
Mnemonic
FOB IA
Methodology
Quantitative Immunoassay
Performed
Sun, Tue, Fri
Reported
Within 3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Stool.  
Specimen Preparation
Patient will dip sampling bottle transfer wand into stool collection and place back into sampling bottle (ARUP Supply #49952) available online through eSupply using ARUP Connector contact ARUP Client Services at (800) 522-2787. Stool must be transferred to sampling bottle within 4 hours.   
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Unpreserved stool.  
Remarks
 
Stability
Ambient: 15 days; Refrigerated: 30 days; Frozen: Unacceptable  
Reference Interval
Less than or equal to100 ng/mL
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
CPT Code(s)
83520
Components
Component Test Code*Component Chart NameLOINC
2007191Occult Blood, Fecal Immunoassay58453-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Fecal Immunochemical Testing (FIT)
  • Fecal occult blood immunoassay
  • iFOBT