This assay is restricted and must be approved prior to the assay being performed. The approval process is:

• Urgent vasculitis requests during normal working hours must be pre-approved by either, the Immunopathologist, Immunopathology registrar or a senior member of the testing team in that order of preference. Any request not pre-approved will be treated as routine.

To ensure prioritised processing notify Section Leader (VIM - Serology) or their delegated authority on xtn 23006 / 22103 / 22105.

• Urgent vasculitis requests outside normal working hours will only be performed once the Consultant of the requesting team has contacted the Immunopathologist and reached agreement that the test is required out of hours. Requests not from the requesting team's Consultant and/or not approved by the Immunopathologist will not be actioned .

• Results will be rung through by the testing scientist. Any discussions on the relationship of the results to clinical diagnosis will need to be directed to the Immunopathologist or their registrar.

• GBM testing is not part of the urgent vasculitis testing.

Out of hours includes:

- Weekends

- 17.00-08.00 on weekdays

- P ublic holidays