Review ArticlesVitamin D as a Preoperative Clinical Predictor for Prosthetic Joint InfectionSpinney, Elizabeth DMSc, PA-C1Author Information 1University of Lynchburg, College of Health Sciences, School of Physician Assistant Medicine, Doctor of Medical Science Program, Lynchburg, Virginia Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSJOPA/A103). JBJS Journal of Orthopaedics for Physician Assistants: April-June 2020 - Volume 8 - Issue 2 - p e0045 doi: 10.2106/JBJS.JOPA.19.00045 Metrics Abstract The purpose of this article is to determine whether vitamin D is an effective modifiable nutritional marker to predict postoperative risks and outcomes for prosthetic joint infection (PJI). There is evidence-based research to demonstrate the positive correlation of hypovitaminosis D as a modifiable nutritional marker to decrease the incidence of PJI. Hypovitaminosis D is linked to many health issues. In patients undergoing elective hip or knee replacement surgery, hypovitaminosis D appears to be linked with PJIs. Copyright © 2020 by The Journal of Bone and Joint Surgery, Incorporated.