|Values are valid only on day of printing.|
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.6 mL
1. Fasting (8 hours)
2. Serum gel tubes should be centrifuged within 2 hours of collection.
3. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
Additional Information: Do not order on patients who have recently received methotrexate or other folic acid antagonists.
Forms: If not ordering electronically, complete, print, and send a Neurology Test Request Form (T732) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/neurology-request-form.pdf)
Mild OK; Gross reject
Mild OK; Gross OK
|Serum||Refrigerated (preferred)||7 days|