|Values are valid only on day of printing.|
See Thyroid Function Ordering Algorithm in Special Instructions.
Patient Preparation: Twelve hours before this test, do not take multivitamins or dietary supplements containing biotin or vitamin B7 that are commonly found in hair, skin, and nail supplements and multivitamins.
Container/Tube: Red top
Specimen Volume: 0.6 mL
Collection Instructions: Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
Neurology Test Request Form-General (T732) (http://www.mayomedicallaboratories.com/it-mmfiles/neurology-request-form.pdf)
General Request Form (T239) (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf)
Mild OK; Gross reject
Mild OK; Gross OK
Serum gel or plasma
|Serum Red||Refrigerated (preferred)||7 days|