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Abbreviations
Orders and Administering Medicine
| Abbreviation | Definition |
|---|---|
| PO | per os ( by mouth ) |
| NPO | nil per os ( nothing by mouth ) |
| PR | per rectum ( anal ) |
| IM | intramuscular |
| SC | subcutaneous ( under the skin ) |
| IV | intravenous |
| CVL | central venous line |
| PICC | peripherally inserted central catheter |
| Sig | instructions short for signa ( Latin for "label" ) |