FECAL FAT, QUANTITATIVE

Code
900.1528
Name
FECAL FAT, QUANTITATIVE
Category
None
Department
Send-Out
Start Date
Expiration Date
Synonyms
CPT Codes
82710
Site
SBMF
Reference Test
23059
ATLAS Test Code

Specimen Information

Type

1 Gallon Stool Container

Volume

Entire specimen

Transport Info

Refrigerated

Fasting Required?
False
Patient Instructions

Do not schedule barium contrast studies during collection period (barium interferes with fat quantitation)
Adult patients should be on a standard diet containing 100 g of fat per day for at least three days before the test is started and during the test.
In children, the amount of fat in the diet should be constant for one day before the test and during the test. The fat content is to be listed on the requisition.

Reference Range

Children up to 6 years: less than 2 g fat/24 hours
Thereafter: 2-6 g fat/24 hours
Fat, % of dry weight: 15-25%

Methodology

Gravimetric Measurement

Clinical Significance

Abnormalities of any of the processes involved in fat digestion and absorption can lead to steatorrhea. These stools are characteristically greasy and foul smelling. Screening tests for diagnosing steatorrhea include determination of a serum carotene and analysis of fecal fat.

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