Skip to main content

Fecal Fat

Order Code GI17
Turnaround Time 8 days
Test Includes

Fecal Fat

Specimen Requirements
Specimen Source
72 hour stool Alternative Specimen(s) 24 hour or 48 hour stool
Transport Container
(Specimen Container)

Leak-proof screw-cap container

Preferred Specimens
72 hour stool
Minimum Volume (uL)
3 grams
Collection Instructions
(Transport Temperature)
Transport Frozen
Specimen Stability
Temperature Period
Room temperature 7 days
Refrigerated 7 days
Frozen 28 days
Reject Criteria

Specimens received in paint cans

Special Instructions

Send entire collection sample – 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. If entire collection is sent to the lab, the lab will verify weight of sample. Keep refrigerated during collection. Patient should be on a diet including 100 grams of fat per day for 3 days prior to collection and during collection period. Transport Frozen.

Test Details
Nuclear Magnetic Resonance (NMR)
Clinical Significance

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

Reference Ranges

<7.0 g/24 h

Alternative Names
Fecal Fat, Total, Quantitative