Fat, Quantitative
Order Code: FATF
Epic Lab Code: LAB3110
Order Form: A-1a Miscellaneous Request or Epic Req
Commercial Mail-out Laboratory
6240 RCP
356-3527
Specimen:
Feces
Collection Medium:
24, 48, 72 hour fecal specimen, stool container(s)
Minimum:
Absolute minimum is 5 grams. Prefer 48 hr or 72 hr collection (24 hr accepted) All specimens required to be in special containers available from Specimen Control, 6240 RCP. Specimen container should not be filled more than one-half full. Do not freeze until collection is completed. Keep frozen until delivered to lab.
Rejection Criteria:
Specimens in unapproved containers.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection period is completed.
Specimen Instructions:
Keep sample refrigerated during collection.
Analytic Time:
1 week upon receipt at reference laboratory
Reference Range:
Timed collection: 0-17 years: not established > or =18 years: 2-7 g fat/24 hours Random collection: All ages: 0-19 % fat
Comments:
Indicate length of collection period on requisition. Barium interferes with test procedure; wait 48 hours after Barium procedure before starting collection. For 3 days prior to and during the collection period: A. Patient should be on a fat-controlled diet (100-150 g fat per day). B. No laxatives (particularly mineral oil and castor oil). C. No synthetic fat substitutes (eg, Olestra) or fat-blocking nutritional supplements. Babies: Feces can be collected from diaper; small amounts of urine do not interfere.
Methodology:
Nuclear Magnetic Resonance (NMR) Spectroscopy
CPT Code:
82710