Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Patient should be on a diet including 100 grams of fat per day for 3 days before collection and during the collection period.
Specimen Requirements:
72-Hour Feces in a 1-gallon, plastic, leakproof container with screw-cap (Commode Hat Collection Kit)
Collection Instructions:
Feces should be barium, castor oil, and mineral oil free
Keep refrigerated during collection.
Order should include the hours of collection.
Verify weight of sample
Do not submit specimen in metal paint cans, as processing poses a safety hazard. Specimens received in paint cans will be rejected.
For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D
Minimum Volume:
3 grams stool of 24 or 48 hrs in plastic container
Transport & Storage: Temperature/Stability:
7 days Ambient
7 days Refrigerated
28 days Frozen (Transport)
Rejection Criteria:
received in paint can
Reference Range:
<7 g/24 h
Critical Ranges:
Test Comments:
Specimen weight will be reported with results
Limitations: Up to 12 grams of fat may be malabsorbed among patients with diarrhea even when the diarrhea is not attributable to fat malabsorption.
Methodology:
Nuclear Magnetic Resonance (NMR)
Clinical Significance:
Excessive fat in stool, steatorrhea, is useful in diagnosing patients with malabsorption and maldigestion, e.g., pancreatic failure. In addition, results may be useful in monitoring patients receiving exogenous enzyme therapy and those with chronic diarrhea.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
1 to 3 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday
Sites Performed:
Quest - Chantilly to San Juan Capistrano
PHL Test Code:
FECL
EPIC Test Code:
LAB392
Send Out Test Code:
13217 / 455X
Alternate Test Names:
Fecal Fat, Quantitative; Fecal Lipids; Lipids, Stool Total Quantitative; Split Fats; Unesterfied Fatty Acids
Included Tests:
CPT Coding:
82710