Test Directory

Fat, Feces

Print this page

Updated Test Information:

Test Description
Fat, Feces
Synonym(s)
Fat
Test ID
FATF
General Information
Useful for:
Diagnosing fat malabsorption due to pancreatic or intestinal disorders
Monitoring effectiveness of enzyme supplementation in certain malabsorption disorders
Specimen Type
Stool
Specimen Requirements
Sterile Container
Stability
Frozen (preferred) 180 days
Refrigerated 180 days
Unacceptable Specimen Conditions
Preservative, media, or charcoal
Methodology
Nuclear Magnetic Resonance (NMR) Spectroscopy
Estimated TAT
1-3 days
Testing Schedule
Monday-Saturday
CPT Code(s)
82710
Minimum Sample Volume
5 g
Reference Range
TIMED COLLECTION
> or =18 years: 2-7 g fat/24 hours
Reference values have not been established for patients who are <18 years of age.
RANDOM COLLECTION
All ages: 0-19% fat
Performing Lab
Mayo
LOINC Code(s)
30078-0, 13363-7, 35745-9, 16142-2