Fullscript logoThe Fullscript green leaf logo alongside the text FullscriptFullscript leaf logo
Lab companiesSign in
Create account
Quest Diagnostics

Fecal Fat, Qualitative

Quest Diagnostics

Sample type: Stool

Requires fasting: No

Sample collection required at Quest Diagnostics location


Details

Fecal Fat, Qualitative - Results may indicate malabsorption or maldigestion. False positive results can occur due to mineral oil or castor oil present in the specimen. Large number of neutral fat globules may indicate steatorrhea.


  • Fecal Fat, Qualitative

Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected

Details
Fecal Fat, Qualitative - Results may indicate malabsorption or maldigestion. False positive results can occur due to mineral oil or castor oil present in the specimen. Large number of neutral fat globules may indicate steatorrhea.

What type of sample is required for this test?
5 grams or 5 mL of freshly passed, then frozen stool in a clean leak-proof screw-cap plastic container

Test Resources
For more information, please consult your healthcare provider.


2–5 business days


  • Gastrointestinal

Patient should be on a normal diet which includes fat intake. Patient should not use castor oil, mineral oil, suppositories or barium prior to collection of specimen. Fat substitutes such as Olestra may cause interference and should be avoided.

Collection Options with Fullscript
Sample collection requires a test kit that can be picked up at a nearby Quest Diagnostics Patient Service Center.

Quest Diagnostics Patient Service Centers (PSC)

  • Location: Visit a nearby Quest Diagnostics Patient Service Center.
  • Cost: $10 sample collection fee (paid during lab order checkout).
  • Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
  • Collection Instructions:
    • Bring a valid ID.
    • Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
  • Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
  • More Info: Quest Diagnostics collection guide

 Specimen
  • Preferred Specimen(s): 5 grams or 5 mL of freshly passed, then frozen stool in a clean leak-proof screw-cap plastic container 
  • Alternative: NA 
  • Minimum Volume: 1 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Clean, leak-proof, screw-cap plastic container 
  • Transport Temperature: Frozen 
  • Specimen Stability
    • Refrigerated: 5 days 
    • Frozen: 30 days 
  • Reject Criteria
    • Thawed specimens • Specimens in transport media or on swabs • Samples submitted in paint cans 

State restrictions:

Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island

Provider pricing unlocks when you sign up

Go from test to plan, in one place

  • 2,500+ blood labs & specialty tests from partners you trust, one login

  • Turn results into personalized plans with Fullscript Assist

  • Competitive cash-pay pricing and nationwide phlebotomy

Create free accountBook a demo

Trusted by 50,000+ practitioners

20+

lab companies

Quest DiagnosticsAccess Medical Labs3x4 Genetics

40+

EHR integrations

Practice BetterCerboOptiMantra

Having labs on Fullscript has been a real time saver for my practice. I love the convenience and ability to order affordable labs quickly for my patients. It will be a staple in my workflow going forward.

Joseph Thomas, MD

Verified Fullscript practitioner