Fecal Fat, Qualitative
Test ID:
Fecal Fat, Qualitative
CPT code:
Fecal Fat, Qualitative
Synonyms:
Fatty Acid, Stool
Neutral Fat, Stool
Qualitative Fat
Fats, Neutral
Clinical Use:
Detect the presence of fecal fatty acids and neutral fat. Increases in neutral fat are commonly associated with pancreatic exocrine insufficiency. Increase in stool total fats (neutral fats, soaps, and fatty acids) is likely to be associated with small bowel disease.
Test Information:
Specimen Type:
Stool (fresh random)
Requested Volume:
3 g
Minimum Volume:
0.5 g
Container Type:
Plastic screw-cap vial
Patient Preparation:
Patient should be on a diet containing at least 60 g of fat. The patient should not use suppositories or mineral oil before the specimen is collected. Oily material (eg, creams, lubricants, etc) should be avoided prior to collection of the specimen.
Collection:
Do not contaminate outside of container; do not overfill container.
Storage Instructions:
Refrigerate at 2°C to 8°C.
Stability Requirements:
Temperature |
Period |
---|---|
Room temperature |
14 days |
Refrigerated |
14 days |
Frozen |
14 days |
Freeze/thaw cycles |
Stable x3 |
Rejection Criteria
Specimen contaminated with urine and/or water; specimen on outside of container; specimen containing interfering substances (eg, castor oil, bismuth, Metamucil®, barium)
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