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Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

Updates regarding government operating status and resumption of normal operations can be found at USA.gov.

Decision Trees for Human Subjects Requirements

For more information, see NIAID Human Subjects Resources.

Determine if NIH will consider proposed research to be human subjects:

View how reviewers determine if proposed research has complied with human subjects requirements and the outcomes of their decisions: 

For additional information on applying, see Research Using Human Subjects.

Numerical coding, identified in the decision trees, is assigned at peer review.

Content last reviewed on April 19, 2016