Rubella IgM antibodies




  • This test is used to detect current or recent Rubella infection
  • Rubella IgG avidity can be used to indicate how recently infection has occurred.  This is usually of use in pregnancy and should only be requested after discussion with a Consultant Microbiologist.
  • To screen for Rubella immunity, please request Rubella IgG
  • Consider Rubella infection in any pregnant woman presenting with a rash regardless of previous immune status
  • This test is part of the following viral screen sets:
  • Rubella is a notifiable disease. Click for notification form.
  • Suspected cases can also be confirmed by a MMR oral fluid test; kits are available from the Health Protection Team on Telephone number 0300303 8162

Sample requirements

Serum - paired samples not normally required

8.5ml of blood taken into a plain gel tube 

8.5mL BD Vacutainer tube

Required information

  • Relevant clinical details
  • Date of onset
  • Details of pregnancy
  • Details of exposure to other suspected cases
  • Vaccination history


Store at fridge temperature

Transport as soon as possible at ambient temperature

Turnaround time

3 - 5 days

Page last reviewed: 25/11/2013