Charting
NB medical abbreviation
NB means "newborn".
Each meaning matched at least two public references (2 in all for NB), checked October 23, 2026. The table lists them.
Run it in Rivvi
Ask what NB 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 RivviFree to start. No card. Opens Rivvi, the AI workspace for healthcare teams.
What NB means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| newborn | None | Charting |
Example
Sample nursery label: "NB."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
Elsewhere on Rivvi
Questions
What does NB mean in medical terms?
NB means "newborn".
Where is NB used?
NB shows up in charting. Its category here is charting.
Is NB on the Joint Commission Do Not Use list?
No. NB is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.