The National Board for Respiratory Care (NBRC) is a non-profit organization awarding and maintaining credentialing for Respiratory Therapists in the United States.

Certification levels

1. Entry level certification

Certification is the entry level and is separated as such by the NBRC.

Certified Respiratory Therapists and Certified Pulmonary Function Technologists require advanced-practice counterparts.

2. Advanced practice certification

Registered Respiratory Therapist and Registered Pulmonary Function Technologist are currently the advanced credentialing maintained by the NBRC.

3. Specialties

The NBRC has sub-specialties for the Respiratory Therapist designations.

Both the CRT and the RRT are eligible to sit for additional credentialing

Sleep Disorders Specialist

Adult Critical Care Specialist

Examinations maintained by the NBRC

Respiratory Therapist

NBRC-ELE

NBRC-WRE

NBRC-CSE