Final answer:
Nursing informatics certification typically requires renewal every five years, involving meeting practice requirements and continuing education, or retaking the certification exam.
Step-by-step explanation:
The certification renewal period for a nurse certified in nursing informatics can vary depending on the certifying body. Typically, certifying bodies such as the American Nurses Credentialing Center (ANCC) require renewal every five years. To maintain certification, the nurse must meet specific practice requirements and continuing education hours, or sometimes they may opt to retake the certification examination.