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Fecal Fat and Muscle Fibers, Qualitative
- Muscle Fiber, Stool
- Stool Meat Fibers
- Stool Muscle Fiber
Qualitative fat (total and neutral) and muscle fibers
Evaluate malabsorption syndromes, pancreatic exocrine dysfunction, or gastrocolic fistula
Microscopic examination following staining with Oil Red O. Only fibers with identifiable cross striations are counted.
• Total fats (neutral fats, soaps, and fatty acids): Normal (<100 droplets/hpf)
• Neutral fats: Normal (<60 droplets/hpf)
• Muscle fibers: Normal (<10 fibers/hpf)
Do not contaminate outside of container; do not overfill container.
Refrigerate at 2°C to 8°C. Do not freeze.
Causes for Rejection
Purgatives other than saline or Fleet®; specimen contaminated with urine; specimen obtained with mineral oil, bismuth, or magnesium compounds; specimen on outside of container
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|049684||Fecal Fat/Muscle Fibers, Qual||016691||Fats, Neutral||12598-9|
|049684||Fecal Fat/Muscle Fibers, Qual||016709||Fats, Total||2270-7|
|049684||Fecal Fat/Muscle Fibers, Qual||012393||Muscle Fiber, Stool||2605-4|