Fat, Qualitative, Feces

Fat, Qualitative, Feces

Alternate Test Name

Fat, Feces; Fecal Fat Random or Timed; Stool Fat Screen

Epic Mnemonic
Sunquest Mnemonic

LAB390
SFATB

Category

Sendouts

Methodology

NuclearMagneticResonance(NMR)Spectroscopy

Test Performance Schedule

Monday - Saturday

Result Availability

1 – 2 days

Container

Sterile container

Volume

Min. Vol.: 5g of feces

Collection Instructions

Patient Preparation:
1. For 3 days prior to and during the collection period:
• Patient should be on a fat-controlled diet (100-150 g fat/day)
• No laxatives (particularly mineral oil and castor oil)
• No synthetic fat substitutes (eg, Olestra) or fat-blocking
nutritional supplements
2. The use of diaper rash ointments will falsely elevate test results. Discontinue use during collection period.
3. Barium interferes with test procedure; a waiting period of 48 hours before stool collection analysis is recommended.

• Collect all stool samples during collection period
• Store refrigerated during collection period
• Length of collection period is required

Transportation Instructions

Frozen

Stability

• Room Temperature: Unacceptable
• Refrigerated: 180 days
• Frozen (preferred): 180 days

Causes for Rejection

Stool submitted in preservative, media, or charcoal

Remarks

Length of collection period is required

CPT Codes

82710

Effective/Revised

1/12/2022