2002355
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Fat, Fecal Quantitative 48-Hour Collection (Includes Homogenization)

FECQFAT48
Example Reports
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Fecal Fat Ordering Recommendations

Ordering Recommendation

Measurement of fecal fats can be useful in establishing a diagnosis of pancreatic disease. Testing requires the submission of an entire 48-hour stool collection.

For random stool collections, order Fat, Fecal Qualitative (0020385).

For testing of an aliquot from a 24-, 48-, or 72-hour stool collection, order Fat, Fecal Quantitative, Homogenized Aliquot (2002350).

For complete 24-hour stool collections, order Fat, Fecal Quantitative, 24-Hour Collection (Includes Homogenization) (2002354).

For complete 72-hour stool collections, order Fat, Fecal Quantitative, 72-Hour Collection (Includes Homogenization) (2002356).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

The patient should be on a diet consisting of 50 to 150 g of fat per day for 3 days prior to the study. Nonabsorbable fat substitutes, such as olestra, should be avoided prior to collection.

Collect

48-hour stool. Refrigerate during collection. Provide patient a Timed Stool Collection Kit (ARUP supply #44192) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at 800-522-2787.

Specimen Preparation

Refer to instructions in Stool Collection-Timed Specimens (24, 48, 72 Hours) under Specimen Handling at https://www.aruplab.com. Submit entire 48-hour stool collection in an ARUP approved transport container(s) provided in kit using additional containers as needed for the full collection (available separately, ARUP supply #28077). (Min: 4 g)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Random collections. Specimens containing barium or charcoal. Specimens in media or preservatives. Containers larger than 500 mL (500 g), such as paint cans, will be rejected and discarded.

Remarks
Stability

Ambient: 12 hours; Refrigerated: 4 days; Frozen: 2 weeks

Methodology

Nuclear Magnetic Resonance Spectroscopy

Performed

Sun-Sat

Reported

2-3 days

Reference Interval

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

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

82710

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Components

Component Test Code* Component Chart Name LOINC
0020377 Fecal Total Weight 30078-0
0060748 Fat, Fecal Quantitative 48-Hour 16855-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Fecal fat 48 Hour
Fat, Fecal Quantitative 48-Hour Collection (Includes Homogenization)