Credential or role

RD medical abbreviation

RD means "registered dietitian".

Each meaning matched at least two public references (2 in all for RD), checked October 23, 2026. The table lists them.

Run it in Rivvi

Ask what RD means in your note

Paste a sig line, a note, or a claim and Rivvi spells out each abbreviation and flags the ones on the Do Not Use list.

Ask Rivvi

Free to start. No card. Opens Rivvi, the AI workspace for healthcare teams.

What RD means

MeaningLatin originWhere usedChecked against
registered dietitianNoneCharting, Staffing

Example

Sample credential: "RD."

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

Related abbreviations

  • BMIbody mass index
  • DMdiabetes mellitus
  • NPOnothing by mouth
  • CNAcertified nursing assistant
  • DOdoctor of osteopathic medicine
  • ENTear, nose, and throat

Elsewhere on Rivvi

Questions

What does RD mean in medical terms?

RD means "registered dietitian".

Where is RD used?

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

Is RD on the Joint Commission Do Not Use list?

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

Source: NLM SPECIALIST Lexicon abbreviations file (LRABR); 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.

Back to all medical abbreviations

Try it on your own data today.

Free to start. Most teams are using it the same day.