For patients with indicators of concern such as organ dysfunction or neurological involvement, urgent referral to a specialist centre is needed. Specialist healthcare providers should provide clear routes of rapid access to specialist evaluation to ensure patients with indicators of concern (outlined above) are contacted and reviewed urgently.

Where lymphoma is identified by biopsy or strongly suspected, referral to specialist should occur within 72 hours.

Where there are no indicators of concern, the initial investigations outline above should take place and referral to a specialist should occur within four weeks.