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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 # |
Fecal Lipids, Total
Test CodeS51333
CPT Codes
82710
Preferred Specimen
20 grams of a 24-72 hour stool (see instructions)
Patient Preparation
Patient should be on a diet including 100 grams of fat per day for 3 days prior to collection and during collection period.
Minimum Volume
3 g
Other Acceptable Specimens
Homogenized stool
Instructions
Sending entire collection sample: Use a 1 gallon, plastic leak-proof container with screw cap.
Sending an aliquot sample: Use a yellow cap, 120 mL specimen container.
Submit a well mixed timed stool collection. Record total collection time (24, 48, or 72 hours) and weight on test requisition. If entire collection is sent to the lab, the lab will weigh the sample. If an aliquot is sent, please enter the total collected weight of stool on test requisition. Keep refrigerated during collection.
Do not submit specimen in metal paint cans, as processing poses a safety hazard. Specimens received in paint cans will be rejected.
Stool collection duration: Preferred (nomal ranges apply) frozen stool, 72 hour collection acceptable (normal ranges apply) homogenixed stool.
Sending an aliquot sample: Use a yellow cap, 120 mL specimen container.
Submit a well mixed timed stool collection. Record total collection time (24, 48, or 72 hours) and weight on test requisition. If entire collection is sent to the lab, the lab will weigh the sample. If an aliquot is sent, please enter the total collected weight of stool on test requisition. Keep refrigerated during collection.
Do not submit specimen in metal paint cans, as processing poses a safety hazard. Specimens received in paint cans will be rejected.
Stool collection duration: Preferred (nomal ranges apply) frozen stool, 72 hour collection acceptable (normal ranges apply) homogenixed stool.
Transport Container
Sterile screw-cap container
Specimen Stability
Room temperature: 4 days
Refrigerated: 6 days
Frozen: 14 days
Refrigerated: 6 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Paint cans
Methodology
Nuclear Magnetic Resonance (NMR)
Setup Schedule
Set up: Sun-Thurs: Report available: 1-3 days
Limitations
Up to 12 grams of fat may be malabsorbed among patients with diarrhea even when the diarrhea is not attributable to fat malabsorption.
Clinical Significance
Increased in disease of the pancreas, cystic fibrosis, celiac syndrome, bile duct obstruction, diarrhea, and lipase deficiency.