Lab
RDW medical abbreviation
RDW means "red cell distribution width".
Each meaning matched at least two public references (2 in all for RDW), checked October 23, 2026. The table lists them.
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What RDW means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| red cell distribution width | None | Lab orders, Charting |
Example
Sample lab panel row: "RDW."
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 RDW mean in medical terms?
RDW means "red cell distribution width".
Where is RDW used?
RDW shows up in lab orders and charting. Its category here is lab.
Is RDW on the Joint Commission Do Not Use list?
No. RDW is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.