Feedback & Technical Problems

To comment or provide feedback on the online OIICS Coding Trees or the downloadable OIICS application send an e-mail to Suzanne Marsh.

Specific questions on OIICS coding issues, rules, and suggested corrections or revisions should be submitted electronically.

Page last reviewed: December 9, 2023
Content source: National Institute for Occupational Safety and Health (NIOSH) Division of Safety Research