Sig code: route
SL medical abbreviation
SL means "sublingual".
Each meaning matched at least two public references (3 in all for SL), checked October 23, 2026. The table lists them.
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What SL means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| sublingual | None | Prescriptions, Medication labels |
Also written: s.l.
Example
Sample label text: "dissolve SL."
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 SL mean in medical terms?
SL means "sublingual".
Where is SL used?
SL shows up in prescriptions and medication labels. Its category here is sig code: route.
Is SL on the Joint Commission Do Not Use list?
No. SL is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.