Circulation codes are in the Status section of the Discover@MU record.

| Status Code | Meaning |
| AGED TO LOST | Checked out item is overdue. |
| AVAILABLE | Item is ready to be checked out. |
| AWAITING PICKUP | Item is requested and now at pick up location waiting for the requester to borrow the item. |
| CHECKED OUT |
Item is on loan to a patron. If a book you want is currently checked out, you can request a copy from: a MOBIUS library If no copies are available in MOBIUS, request a copy via Interlibrary Loan (ILL@MU) Or place a hold on the copy of the book if not available elsewhere |
| IN PROCESS |
Item is being processed to be added to the library. It will soon be available to check out. If you need the book as soon as possible, you can place a RUSH request for the book at the Ellis Library Circulation Desk (also known as Checkout & Information) or any branch circulation desk. You may also send an email to request rush cataloging |
| IN TRANSIT |
Not available to check out. It is being transferred between libraries. |
| MISSING |
Item is not checked out and cannot be found. |
| ON ORDER | Item is on order, but has not yet been received. |
| PAGED | Item has been requested by a patron |
| RESTRICTED | Item is available, but there are limits on its access. |
| UNAVAILABLE | Item is not available to patrons. Request through MOBIUS or Interlibrary Loan. |

