| 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 Fat, Qualitative
Test Code3967
Alias/See Also
LAB390
CPT Codes
82705<br><strong>This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-San Juan Capistrano, CA.</strong><br><strong>Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.</strong>
Preferred Specimen
5 grams or 5 mL of freshly passed, then frozen stool in a clean leak-proof screw-cap plastic container
Patient Preparation
Patient should be on a normal diet which includes fat intake. Patient should not use castor oil, mineral oil, suppositories or barium prior to collection of specimen. Fat substitutes such as Olestra may cause interference and should be avoided.
Minimum Volume
1 gram or 1 mL stool
Instructions
Collect approximately 5 grams of semi-solid to solid stool or approximately 5 mL of liquid stool and transfer to properly labeled leak-proof container. Transport sample frozen.
Transport Container
Clean leak-proof screw-cap plastic container
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 5 days
Frozen: 30 days
Refrigerated: 5 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Thawed specimens • Specimens in transport media or on swabs • Samples submitted in paint cans
Methodology
Microscopic Examination of Sudan III Stained Smear
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-San Juan Capistrano, CA.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.
Setup Schedule
A. M. Mon-sat
Report Available
1-2 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
See Laboratory Report
Clinical Significance
Results may indicate malabsorption or maldigestion. False positive results can occur due to mineral oil or castor oil present in the specimen. Large number of neutral fat globules may indicate steatorrhea.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |