New Search

Laboratory Test Directory

Fecal Fat, Quantitative


Name Method Department Units
Fecal Fat, Quantitative Spectrophotometric
Send Out g/24h

Battery Members

Stool Weight and fat content (in g/24 hours)

Specimen Requirements

Stool (72 hour)

Container Type Container Size Specimen Volume

Paint can

N/A 25 mL

Room temperature - 5 day(s)
Refrigerated - 14 day(s)
Frozen - 14 day(s)

Specimen Preparation

  • Refrigerate during collection

Reasons for Rejection

  • Foreign objects in paint can (toilet paper, plastic spoons, etc.)
  • Not collected in paint can
  • Specimen contaminated with urine


In children, the amount of fat in the diet should be constant for 1 day before the test and during the test. The patient should not have had mineral oil as a laxative prior to specimen collection. Collect stool directly into can. Do not fill any can more than 2/3 full. Request form must state collection time (in hours). Refrigerate immediately after collection; Secure lid with pressure and firmly attach the O-ring. Note start and stop dates and times.

CPT Code

  • 82710