Condition
CA medical abbreviation
CA has 3 common meanings: "cancer", "calcium", "carcinoma". The context of the note or order decides which one is meant.
Each meaning matched at least two public references (4 in all for CA), checked October 23, 2026. The table lists them.
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Ask what CA means in your note
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3 meanings of CA
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| cancer | None | Charting, Problem lists | |
| calcium | None | Charting, Problem lists | |
| carcinoma | None | Charting, Problem lists |
Also written: Ca.
Example
Sample note: "h/o CA."
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 CA mean in medical terms?
CA has 3 common meanings: "cancer", "calcium", "carcinoma". The context of the note or order decides which one is meant.
Where is CA used?
CA shows up in charting and problem lists. Its category here is condition.
Is CA on the Joint Commission Do Not Use list?
No. CA is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.