Occult Blood, Fecal by Immunoassay
2007190
Ordering Recommendation
 
Mnemonic
FOB IA
Methodology
Quantitative Immunoassay
Performed
Sun, Tue, Fri
Reported
Within 72 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
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 Connect™ or contact ARUP Client Services at (800) 522-2787.  
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