Fecal Lipids, Total

Message
Must provide Collection duration and total weight at time of order.


Test Code
FATSTQT


Quest Code
455


Alias/See Also
455


CPT Codes
82710

Preferred Specimen
10 gram of a 24, 48 or 72 hour stool collection


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 gram


Other Acceptable Specimens
24 hour or 48 hour stool


Instructions
Send entire collection sample to lab- Use a 1 gallon plastic, leak-proof, screw-cap container (Warehouse item #2614). Record total collection time (24, 48, or 72 hours) and weight on test requisition. The lab staff will verify weight of sample and aliquot sample for transport to QNI. 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.


Transport Temperature
Frozen


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens received in 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.


Reference Range
<7.0 g/24 h


Clinical Significance
Increased in disease of the pancreas, cystic fibrosis, celiac syndrome, bile duct obstruction, diarrhea, and lipase deficiency.


Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.