Study.com is a good resource for finding online courses that provide nurses with certification as a Certified Registered Nurse Infusionist, or CRNI. The top online CRNI programs on this website are University of Saint Francis, ITT Technical Institute and Kaplan University.
Additional organizations that offer CRNI certification courses for nurses are Azusa Pacific University College, Grand Canyon University and Keiser University. The requirements for CRNI certification are a current RN license and at least 1,600 hours of experience working in the field of IV therapy. The CRNI examination is a computer test that consists of 170 questions and must be completed within three hours.