Laboratory information (Haematology/ Transfusion)


Opening hours

Monday to Friday   

0800 to 1900h (RSCH)

0800 to 1800h (PRH)

Hours vary between sites due to differing workloads.

Saturday and Sunday

0900 to 1300h

(Reception opening hours may vary)

On-call service is available at other times.

On-call service

This is available for emergency work outside of normal working hours only. The on-call Biomedical Scientist can be contacted via the switchboard (RSCH 01273 696955, PRH 01444 441881) or bleep 103 (PRH), 8286 (RSCH).

Urgent requests on PRH site

Requests for urgent processing of samples out of hours must be bleeped to the on-call Biomedical Scientist. Bleep number for Haematology and Blood Transfusion is 103.

Patient details should be given to the BMS when bleeped to ensure there is no confusion with non-urgent samples arriving at the same time.

Out of hours is Monday to Friday 17:00 to 08:30, and from 13:00 each Saturday to 08:30 on the following Monday morning.


The following investigations are available:



Coagulation screen

INR and APTT ratio


only if temporal arteritis is being considered as a diagnosis


only if DVT is considered in outpatients/casualty/MAU (PRH Only)


only if DIC is considered possible or the fibrinogen screen is low


only after discussion with the BMS on duty


only where malaria is a possibility

Group and save




Investigation of transfusion reaction:

DAT (Coombs test)

only in transfusion reactions or if haemolysis is a possibility

Kleihauer test

only after discussion and where anti-D administration might be > 72 hours.


The above investigations will only be processed "on call" if regarded as urgent and/or are required for patient management during the on call period otherwise they will be processed the next working day.

Contact numbers

Main switchboards: RSCH 01273 696955

PRH 01444 441881


Results and enquiries

ext. 4664

01273 664664

PRH Haematology

ext. 8221

PRH Transfusion

ext. 8218

PRH Coagulation

ext. 8201

Consultants’ secretaries

RSCH ext. 4658

PRH ext. 8214


Dr Tim Corbett

ext. 4115

Dr Roz Johnston

ext. 7148

Dr Tim Chevassut

Consultant Haematologist and Senior Lecturer in Haematology at BSMS

ext. 4048

Dr Brigitta Marson

ext. 4115

Dr Anita Arasaretnam

ext. 4048

Dr Vicky Tindall

ext. 4048

Haematology registrars

Dr Thinzar KoKo

Dr Ioanna Lazana

bleep 5472/8291

Technical enquiries

Head Biomedical Scientist

Sarah Bastow

ext. 8216/7422



Julie Cole

Chief Biomedical Scientist

ext. 4577/4071

Christine Sullivan

Transfusion Practitioner

PRH ext. 8218

RSCH ext. 4991

Mob: 07879432237

Automation & Haematology

Sue-Ying To

Chief Biomedical Scientist

ext. 4711


Shawn Cotton

PRH ext. 8201

RSCH ext. 4306

Immunohaematology/ CD4 service

Richard Ansell

ext. 4475

Direct line: 01273 664475