To add more options under a medical event i.e. additional options under the Immunisation list.
Tools> Maintain Medical Event > Search Select the relevant Event Type i.e. Immunisation and double click to open it > Values section > Click New
Enter the Code and Description and click Save
To see the changes, you will need to log out of SIMS and go back in to see the changes in Focus> Student> Student Details> 7 Medical