Sending us a sample

Haem main page


NHS number is a requirement when referring samples from NHS patients. Please indicate this on the request form. 


Please note that the department no longer offers haemoglobin identification by HPLC.


Please send samples to the following address:


Haematology Department

Level 1

Camelia Botnar Laboratories

Great Ormond Street Hospital

Great Ormond Street




Please download and complete the appropriate request form to accompany the sample.

request form - blood film / bone marrow morphology

request form - G6PD 

request form - methotrexate

request form - isohaemagglutinin IgM titres


Packaging samples


Samples sent by Royal Mail or courier must comply with packaging instruction 650 for UN3373 biological substance, category B. 


  • This is a triple layer system that comprises a primary leak-proof receptacle within a secondary leak-proof receptacle contained in a rigid outer package. The packaging should be strong enough to withstand a 95 kPA pressure differential and a drop of 1.2 m


  • There should be sufficient absorbent material between the primary and secondary packaging to absorb any spillage. The primary container and absorbent material must be placed into a single bag with the request form in the pouch


  • The package should be clearly labelled 'diagnostic specimen UN3373'.



Protection of personal information

The laboratory has a procedure for the management of data and protection of personal information that is controlled and maintained by the Pathology System Manager and the Data Manager.

These procedures cover:


  • Security - data is accessible only to authorised users via a valid and current password.


  • Individual user access to functions and facilities  - this is restricted to ensure no user has inappropriately high access levels.


  • Confidentiality and data protection - the security and access features ensure confidentiality is maintained to authorised and appropriate parties.


  • All staff within the laboratory complete mandatory information governance training, are aware of the requirements to maintain confidentiality and the restrictions imposed by the laboratory with regard to information dissemination.


The Trust Data Protection Officer and ICT Department advise the laboratory regarding requirements to comply with current and future legislation for Data Protection.


If you have any further query please contact the laboratory.


© 2011 Great Ormond Street Hospital for Children NHS Trust