Definition of errors
| Clinical prescribing errors | Non-clinical prescribing errors |
| Incorrect/missing patient details (allergy status, weight). | Prescription not discontinued. |
| Incorrect/missing drug, dose, units, strength, frequency, route, concentration, rate or diluent. | Duplicate. |
| Omissions. | Nurse-controlled analgesia/patient-controlled analgesia not prescribed or incorrect. |
| Incorrect drug levels. | Medication prescribed as non-formulary in error. |
| Missing/incorrect indication for antibiotics. | Regular medication prescribed as a range. |
| Other. | Recommended international non-proprietary name not specified. |
| Other. |