Lab
CO2 medical abbreviation
CO2 means "carbon dioxide".
Each meaning matched at least two public references (3 in all for CO2), checked October 23, 2026. The table lists them.
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What CO2 means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| carbon dioxide | None | Lab orders, Charting |
Example
Sample lab panel row: "CO2."
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 CO2 mean in medical terms?
CO2 means "carbon dioxide".
Where is CO2 used?
CO2 shows up in lab orders and charting. Its category here is lab.
Is CO2 on the Joint Commission Do Not Use list?
No. CO2 is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.