Here you'll find advice and referral information for GPs who would like to refer a patient to our blood testing service.

Refer to this service

GP

To use the walk-in service at Charing Cross and Hammersmith hospitals patients will require a blood test referral form from their GP. Please note that the blood testing service at St Mary's Hospital does not accept referrals from GPs.

GP advice

The clinic nursing staff can be contacted through switchboard on 020 3313 1000. Please ask for bleep number 1521 for Hammersmith Hospital and bleep number 7887 for Charing Cross Hospital.

Please note: 

  • The blood testing service at St Mary's Hospital does not accept referrals from GPs.
  • The blood testing service at Charing Cross Hospital is exceptionally busy on Mondays and Tuesdays. Please consider using the service on Wednesday, Thursday or Friday if possible.