| Test Name: |
FECAL FAT, TOTAL, QUANTITATIVE |
| Test Code: |
2198225 |
| Alias: |
Fecal Lipids
LAB392
Split Fats
Stool Fat
Total Fat
Unesterfied Fatty Acids
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| CPT Code(s): |
82710
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| Preferred Specimen: |
Send entire collection sample
|
| Alternate Container: |
24-hour stool
48-hour stool
72-hour stool
Frozen stool
Random stool
Homogenized stool |
| Minimum Volume: |
3 grams feces from a timed (24, 48, 72 hrs) stool collection |
| Collection Instructions: |
Patient Preparation:
Random, 24 hour and 48 hour collections:
Patient should be on a diet including 100 grams of fat per day for 3 days prior to collection and during the collection period
Use a one gallon, plastic leak-proof container with screw cap (warehouse item #2614). Record total collection time (24, 48, or 72 hours) and weight on test requisition. If entire collection is sent to the lab, the lab will verify weight of sample. Keep refrigerated during collection. Do no submit specimen in metal paint cans, as processing poses a safety hazard. Specimens received in paint cans will be rejected.
Stool collection duration: Preferred (normal ranges apply)
Frozen stool, 72 hour collection: Acceptable (normal ranges apply) Homogenized stool: Acceptable (normal ranges do not apply) |
| Transport Temperature: |
Frozen |
| Stability: |
Room temperature: 4 days
Refrigerated: 6 days
Frozen: 14 days |
| Rejection Criteria: |
Specimens received in paint cans |
| Limitations: |
Up to 12 grams of fat may be malabsorbed among patients with diarrhea even when the diarrhea is not attributable to fat malabsorption. |
| Schedule: |
Set up: Mon-Thurs; Report available: 4-8 days |
| Method: |
Nuclear Magnetic Resonance (NMR) |
| Performing Lab: |
Quest Diagnostics, Wood Dale >SJC; #455 |
| Clinical Significance: |
Excessive fat in stool, steatorrhea, is useful in diagnosing patients with malabsorption and maldigestion, e/g/ pancreatic failure. In addition, results may be useful in monitoring patients receiving exogenous enzyme therapy for chronic diarrhea. |
| Use: |
Updated 02/228/22 |
| Reference Ranges: |
<7 g/24 h |
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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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| Test Type: |
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