Do test codes distributed through the Customer Center expire? ImPACT baseline test codes expire in 90 days. ImPACT post-injury test codes expire in 7 days. Distribute test codes in the Customer Center. Updated on 04/21/2020 Was this article helpful? Yes No Related Articles Where can I find my Customer ID? Can I enter multiple email addresses at once when distributing remote baseline or post-injury tests through the Customer Center? Can I resend baseline testing codes to test takers who can’t locate the email? Can post-injury testing be completed at home? Can baseline testing be completed at home? How do I use the scores provided in ImPACT Pediatric clinical reports?