Fecal Fat, Quantitative

Synonyms

  • FAT72
  • FECAL FAT 72 HOUR
  • LAB11064

Cerner Name

Fecal Fat 72 Hour

Clinical Info

In malabsorption syndromes, notably pancreatic insufficiency and Whipple disease, steatorrhea is a prominent feature. Fecal fats can be useful in diagnosis of cystic fibrosis, chronic pancreatitis, neoplasia, or stone obstruction. Also useful in regional enteritis, celiac disease, sprue, and the atrophy of malnutrition.
Limitations C8 and C10 saturated fatty acids are not quantitated with this method.
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

Specimen Sources

Rectum

Specimen Types

Stool

Specimen Volume

Stool specimen 72 Hr collection ( Collections of 24 or 48 hours are not recommended since results are subject to greater variability.)

Container

Stool Container

Collection Instructions

Container/Tube: Use 1 gallon, with screw-cap, supplied by Northwell
Specimen: Stool specimen 72 Hr collection ( Collections of 24 or 48 hours are not recommended since results are subject to greater variability.)
Transport Temperature: Refrigerated
Note: 1. Send entire can
2. Record total collection time on specimen and requisition.
Stability: 5 Days Room Temperature
14 Days Refrigerated
14 Days Frozen
Patient Preparation
Adult patients should be on a standard diet containing 50 to 150 g of fat per day for at least three days before test is started and during the 72-hour collection. In children, the amount of fat in the diet should be constant for one day before the test and during the test. The patient should not have had mineral oil as a laxative prior to specimen collection.

Transport Instructions

Refrigerated

Specimen Stability

5 Days Room Temperature
14 Days Refrigerated
14 Days Frozen
Patient Preparation
Adult patients should be on a standard diet containing 50 to 150 g of fat per day for at least three days before test is started and during th

Methodology

Extraction/spectrophotometry

Days Performed

Performing Laboratories

LabCorp

CPT

82710
 
LOINC Code: 16142-2

PDM

5900566

Results
Component Name Base Name Common Name External Name
FECES TOTAL WEIGHT FECALFATTW FECES TOTAL WEIGHT Feces Total Weight
FECAL FAT COLLECTION DURATION FECALFATCLDU FECAL FAT COLLECTION DURATION Fecal Fat Collection Duration
FECAL FAT, 72 HR FECALFAT72 FECAL FAT, 72 HR Fat, (Fecal Lipids) Quantitative

Result Interpretation

0 to 18 years: 0.0-3.1 g/24 hours
 >18 years: 0.0−7.1 g/24 hours
 
TAT: 5 - 8 Days

Forms
Chemistry LAB11064 build edit