Test Code 90496 Prekallikrein (Fletcher Factor) Assay
Performing Laboratory
Referral Laboratory through Mayo Medical LaboratoriesSpecimen Requirements
Call Laboratory Medicine resident at digital pager 314-747-1320 for approval before drawing the specimen.
Call Barnes-Jewish Hospital Laboratory Customer Service at 314-362-1470 for collection and test information.
Additional Information
For BJH Laboratory Use OnlyLaboratory Processing Instructions:
BJH Chemistry will send test to Mayo Medical Laboratories who will forward to the performing laboratory. Access testing information at URL: esoterix.com.