About us

Great Ormond Street Hospital (GOSH) Laboratory Medicine offers a range of unique clinical laboratory services. Our expert teams support the tertiary paediatric services provided at Great Ormond Street Hospital as well as acting as a specialist referral centre for hospitals, clinics and clinicians across the world.


Our world-class teams are comprised of clinical scientists, researchers, technologists and administrative support staff.  Our laboratory teams play an essential role in the diagnosis and treatment of childhood illness.  We also provide some services for testing of adult samples.


A key part of our service is the expert clinical advice that supports the delivery of results and diagnosis. Close links are also maintained with clinical colleagues and researchers at the UCL Institute of Child Health (ICH).


Our services are accredited by UKAS against ISO15189:2012. The scope of accreditation can be found on the UKAS website (https://www.ukas.com/search-accredited-organisations/). Our services conform to all the legal and statutory regulatory requirements of the Human Tissue Act and MHRA. The laboratories subscribe to national and international quality assurance schemes for all assays where available.

Our laboratory services comprise of Chemical Pathology, Genetics, Haematology Histopathology, Immunology, Microbiology, Virology and Infection Control, and Paediatric Malignancy Unit

Contact Us

For general enquiries please see the contact details below:


Full Postal Address

Laboratory Medicine
Camelia Botnar Laboratories
Great Ormond Street Hospital for Children NHS Trust
Great Ormond Street


Telephone: 020 7829 9200 Ext: 0175

If you know the department you would like to contact please select one of the links below to direct you to more detailed information.


Chemical Pathology





Microbiology, Virology and Infection Control

Paediatric Malignancy Unit



Sending Samples


Samples sent by Royal Mail or courier must comply with PI 650 for category B substances. 


  • 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.


  • Access to functions and facilities to individual users 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 and 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.


  • News

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  • Staff

    Great Ormond Street Hospital Laboratory Medicine provides a service which is led and supported by a range of clinical and technical experts. More about Staff >

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