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FATQN / FATF-M
FAT, QUANTITATIVE, FECES

Test Code FATQN / FATF-M 
Test FAT, QUANTITATIVE, FECES 
Methodology Nuclear Magnetic Resonance Spectrometer (NMR) 
Specimen Stool specimen (48 or 72-hour preferred, 24-hour accepted). SEND ENTIRE COLLECTION FROZEN on dry ice.
See "Stool Collections."

NOTE:
1. LENGTH OF COLLECTION PERIOD IS REQUIRED ON REQUEST FORM FOR PROCESSING.
2. 5 g IS REQUIRED FOR TESTING. Continue collection until
5 g is collected.

3. For 3 days prior to and during the collection period:
A. Patients 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.

4. Barium interferes with test procedure; a waiting period of 48 hours before stool collection analysis is recommended.
5. A separate order and collection should take place if stool calcium, chloride, magnesium, osmolality, potassium, or sodium testing is also desired. 

Reference Values 2 - 7 g fat/24 hours 
Analytic Time 2 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 82710  

Special Instructions