Credential or role

RN medical abbreviation

RN means "registered nurse".

Each meaning matched at least two public references (4 in all for RN), checked October 23, 2026. The table lists them.

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What RN means

Example

Sample credential: "RN."

A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.

Related abbreviations

  • LPNlicensed practical nurse
  • BSNBachelor of Science in Nursing
  • NPnurse practitioner
  • CNAcertified nursing assistant
  • DOdoctor of osteopathic medicine
  • ENTear, nose, and throat

Elsewhere on Rivvi

Questions

What does RN mean in medical terms?

RN means "registered nurse".

Where is RN used?

RN shows up in charting and staffing. Its category here is credential or role.

Is RN on the Joint Commission Do Not Use list?

No. RN is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.

Source: NCI Thesaurus, including CDISC SDTM terminology (NCI EVS); NLM SPECIALIST Lexicon abbreviations file (LRABR); CMS Acronyms; Army Regulation 40-66, Appendix B: Authorized Medical Records Abbreviations. Data as of October 23, 2026. Last updated October 23, 2026. How we source data. Spotted an error? Send a correction.

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