Lab
BUN medical abbreviation
BUN means "blood urea nitrogen".
Each meaning matched at least two public references (6 in all for BUN), checked October 23, 2026. The table lists them.
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What BUN means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| blood urea nitrogen | None | Lab orders, Charting |
|
Example
Sample lab panel row: "BUN."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
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Questions
What does BUN mean in medical terms?
BUN means "blood urea nitrogen".
Where is BUN used?
BUN shows up in lab orders and charting. Its category here is lab.
Is BUN on the Joint Commission Do Not Use list?
No. BUN is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.