US · guidance
CMS Pub. 100-04, ch. 12, § 140.1
Qualified Nonphysician Anesthetists
For payment purposes, the term “qualified nonphysician anesthetist” is used to
refer to both certified registered nurse anesthetists (CRNAs) and anesthesiologists’
assistants unless otherwise separately discussed.
An anesthesiologist’s assistant means a person who:
• Works under the direction of an anesthesiologist;
• Is in compliance with all applicable requirements of State law, including
any licensure requirements the state imposes on nonphysician anesthetists;
and
• Is a graduate of a medical school based anesthesiologist assistant
educational program that –
o Is accredited by the Committee on Allied Health Education and
Accreditation;
And
o Includes approximately two years of specialized basic science and
clinical education in anesthesia at a level that builds on a
premedical undergraduate science background.
A CRNA is a registered nurse who:
• is licensed as a registered professional nurse by the State in which the nurse
practices;
• Meets any licensure requirements the State imposes with respect to
nonphysician anesthetists;
• Has graduated from a nurse anesthesia educational program that meets the
standards of the Council on Accreditation of Nurse Anesthesia Programs;
and
• Meets the following criteria:
o Has passed a certification examination of the Council on
Certification of Nurse Anesthetists or the Council on Recertification
of Nurse Anesthetists;
Or
o Is a graduate of a nurse anesthesia educational program that meets the
standards of the Council of Accreditation of Nurse Anesthesia
Educational Programs, and within 24 months of graduation, has passed
a certification examination of the Council on Certification of Nurse
Anesthetists or the Council on Recertification of Nurse Anesthetists.
History
(Rev. 3747; Issued: 04-14-17; Effective: 01-01-17; Implementation: 05-15-17)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
84741a54b828426d88d49449249bedaa815534e89a11441ac6e96c27c9ff222a
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