A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Muscle Fibers, Fecal
Test Code8428
CPT Codes
89160
Preferred Specimen
5 grams stool collected in a plastic, leak-proof container
Patient Preparation
Patient is required to eat adequate amounts of red meat for 24-72 hours before testing. Specimens 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 of the specimen.
Minimum Volume
1 g feces
Transport Container
Clean, plastic, screw-cap, leak-proof container
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
If patient had laxatives or barium procedures within 1 week prior to collection
Methodology
Microscopic Examination
Setup Schedule
Sun-fri
Report Available
2-3 days
Reference Range
Few muscle fibers seen
Clinical Significance
The presence of many muscle fibers may indicate possible steatorrhea or a diarrhea with rapid transit time.
Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |