The NBRC is a member of the National Organization for Competency Assurance  and its examination programs are accredited by the National Commission for Certifying Agencies. Individuals enrolled in accredited respiratory care education programs may apply for and attempt the CRT Examination 30 days prior to actual graduation.

The National Board for Respiratory Care, Inc. (NBRC) is a voluntary health certifying board created in 1960 to evaluate the professional competence of respiratory therapists and pulmonary technologists. The NBRC cooperates with respiratory care and pulmonary technology educational programs, evaluates the qualifications of candidates for certification and registration, and maintains a directory of those credentialed.