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Quest Diagnostics

Fatty Acid Panel, Essential (C12-C22), Serum

Quest Diagnostics

Sample type: Serum

Requires fasting: Yes

Phlebotomy required


Details

Fatty Acid Panel, Essential (C12-C22), Serum - Essential Fatty Acids (C12-C22), to be used for basic nutritional assessment, identifying fatty acid deficiency, and monitoring patients with fatty acid deficiency who are being treated with a special diet and/or fatty acid supplements.


  • A-Linolenic C18:3W3
  • Arachidic, C20:0
  • Arachidonic, C20:4W6
  • DHA, C22:6W3
  • Docosenoic, C22:1
  • DPA, C22:5W3
  • DPA, C22:5W6
  • DTA, C22:4W6
  • EPA, C20:5W3
  • G Linolenic, C18:3W6
  • H G Linolenic, C20:3W6
  • Hexadecenoic C16:1W9
  • Lauric, C12:0
  • Linoleic C18:2W6
  • Mead Acid/Arachidon Ratio
  • Mead, C20:3W9
  • Myristic, C14:0
  • Nervonic, C24:1W9
  • Oleic, C18:1W9
  • Palmitic, C16:0
  • Palmitoleic, C16:1W7
  • Stearic, C18:0
  • Fatty Acids, Total
  • Monounsaturated, Total
  • Polyunsaturated, Total
  • Saturated, Total
  • Total W3
  • Total W6
  • Vaccenic, C18:1W7

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

Details
Fatty Acid Panel, Essential (C12-C22), Serum - Essential Fatty Acids (C12-C22), to be used for basic nutritional assessment, identifying fatty acid deficiency, and monitoring patients with fatty acid deficiency who are being treated with a special diet and/or fatty acid supplements.

What type of sample is required for this test?
1 mL serum collected in red-top tube (no gel)

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


2–5 business days


  • Nutrition

Do not consume alcohol for 24 hours prior to sample collection.
Overnight fasting is required.
  • Fasting before a blood draw means you don't eat or drink anything except water. 
  • Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:

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 blood draw guide

Getlabs Mobile Phlebotomy

  • Location: Sample collection at your home or office.
  • Cost: $85 sample collection fee (paid during lab order checkout).
  • Availability: Available in most locations enter your ZIP code during checkout to confirm.
  • Scheduling: Schedule your appointment here through your Fullscript account.
  • Collection Instructions:
    • Have your digital or printed requisition form and valid ID ready.
    • Your phlebotomist will contact you by phone to coordinate arrival.
  • More Info: Getlabs blood draw guide

 Specimen
  • Preferred Specimen(s): 1 mL serum collected in red-top tube (no gel) 
  • Alternative: NA 
  • Minimum Volume: 0.2 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Transport tube 
  • Transport Temperature: Frozen 
  • Specimen Stability
    • Refrigerated: 7 days 
    • Frozen: 28 days 
  • Reject Criteria
    • Hemolysis • Lipemia • Non-fasting samples • Serum separator tube (SST) 

State restrictions:

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

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