Haematology/blood transfusion


The haematology department provides diagnostic support to clinical areas in the Trust. We analyse and investigate blood samples to help in the diagnosis of specific disorders and provision of blood component support if needed.

Department head

Dr Rita Peralta, consultant haematologist and lead consultant for VTE, blood transfusion, Royal Brompton Hospital and Harefield Hospital

Dr Marc Heller, consultant haematologists, Royal Brompton Hospital

Routine laboratory hours

Routine laboratory hours are listed below, outside of this time the laboratory is staffed by an out of hours duty biomedical scientist who can be contacted via switchboard.

Royal Brompton Hospital

Monday-Friday: 9am-5:30pm

Weekends and bank holidays: 9am-1pm


  • +44 (0)20 7351 8401 (haematology office manager / PA to consultant haematologists)
  • +44 (0)20 7351 8210 (blood transfusion) 
  • +44 (0)20 7351 8406 (haematology) 

Harefield Hospital

Monday-Friday: 8.30am-5pm

Weekends and bank holiday: 9am-12pm


  • +44 (0)1895 828722 (haematology) 
  • +44 (0)1895 828732 (blood transfusion)

Further support or advice can be obtained from the routine / out of hours consultant haematologist contact via switchboard.

Information for doctors

For further advice or referral, please use the numbers listed below:

Royal Brompton Hospital 

Dr Marc Heller, consultant haematologist
Tel: +44 (0)20 7351 8400
/ 8403

Dr Rita Peralta, consultant haematologist 
Tel: +44 (0)20 7351 8403

Harefield Hospital 

Dr Silvia Lovato, consultant haematologist 
Tel: +44 (0)20 7351 5875

Transfusion nurses

There are two transfusion nurses, one at each hospital who provide support and advice for clinicians and patients in transfusion practice.

Lead clinical nurse specialist (CNS) blood transfusion - Harefield Hospital
Tel: +44 (0)1895 823737 or bleep 6156

CNS blood transfusion - Royal Brompton Hospital 
Tel: +44 (0)20 7351 8405 or bleep 7711

Haematology locations

Royal Brompton: Level 2, Sydney Street wing
Harefield: Laboratory medicine block