Detect the presence of fecal fatty acids and neutral fat.
Sterile cup w/ yellow cap - 90mL (LabCorp)
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Microscopic examination following staining with Oil Red O
Fats, neutral: Normal (<60 droplets/HPF)
Fats, total: Normal (<100 droplets/HPF)
Increases in neutral fat are commonly associated with pancreatic exocrine insufficiency. Increase in stool total fats (neutral fats, soaps, and fatty acids) is likely to be associated with small bowel disease.