Normal Reference Ranges
Adult
Negative Qualitative
Pediatric
Negative Qualitative
Clinical Significance
Screening test for gastrointestinal bleeding. A positive test mandates endoscopic evaluation (usually colonoscopy) to rule out malignancy.
Causes of High
- Colorectal cancer
- Colon polyps
- Peptic ulcer disease
- Inflammatory bowel disease (IBD)
- Hemorrhoids
Causes of Low
- Normal finding