Lab
RF medical abbreviation
RF means "rheumatoid factor".
Each meaning matched at least two public references (2 in all for RF), checked October 23, 2026. The table lists them.
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What RF means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| rheumatoid factor | None | Lab orders, Charting |
Example
Sample lab order: "RF."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
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Questions
What does RF mean in medical terms?
RF means "rheumatoid factor".
Where is RF used?
RF shows up in lab orders and charting. Its category here is lab.
Is RF on the Joint Commission Do Not Use list?
No. RF is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.