Test Details

Mnemonic

FFQ48

Ordering Code

3687840

CPT-4 Code(s)

82710

Specimen Information

Patient Preparation

The patient should be on a diet consisting of 50-150 g of fat per day for three days prior to the study. Avoid non-fat substitutes.

Collect

48 hour stool

Specimen Preparation

Submit entire 48-hour stool collection in a transport container, frozen.
Do not overfill container. If collection exceeds the 500 mL (500 g), use separate containers.

Minimum Volume

4 grams

Transport Temperature

Frozen

Rejection Criteria

Leaky specimens and specimens submitted in non screw-capped containers.
Specimens containing preservatives.
Specimens submitted in non screw-capped containers.
Specimens containing barium, charcoal, specimens in media or preservatives.
Containers larger than 500 mL (500 g), such as paint cans. Random collections

Stability

Room temperature: 1 hour
Refrigerated: 96 hours
Frozen: 14 days

Methodology

Nuclear Magnetic Resonance Spectroscopy
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Reference Range

0 - 5 years: 0.0 - 2.0 g/24 h
6 years and older: 0.0 - 6.0 g/24 h
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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