Muscle Fibers, Fecal
Use
The presence of many muscle fibers may indicate possible steatorrhea or a diarrhea with rapid transit time.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Other
Biomarkers
Result Turnaround Time
2-3 days
Related Documents
For more information, please review the documents below
Specimen
Stool
Volume
5 grams
Minimum Volume
1 g feces
Container
Plastic, leak‑proof, screw‑cap container
Collection Instructions
Eat adequate amounts of red meat for 24‑72 hours before testing. May be obtained with warm saline or Fleet Phospho®‑Soda enema. Specimens obtained with mineral oil, bismuth, or magnesium compounds are unsatisfactory. Barium procedures or laxatives should be avoided for 1 week prior to collection.
Patient Preparation
Eat adequate amounts of red meat for 24‑72 hours before testing.
Causes for Rejection
Specimens obtained with mineral oil, bismuth, or magnesium compounds; barium procedures or laxatives within 1 week prior to collection
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 7 days |
| Frozen | 30 days |
Other tests from different labs that may be relevant