Clinical biochemistry


The Clinical Biochemistry department provides an analytical and advisory service at Central Middlesex, Ealing, Northwick Park and St Mark's Hospitals. 

Laboratory tests are used to aid in the prevention, diagnosis and management of disease for patients in primary, secondary and tertiary care.  

The department analyses in excess of six million tests per year. The large diagnostic repertoire uses a broad range of techniques for the routine analysis of blood, CSF, urine and faeces, including:

  • General biochemistry
  • Endocrinology
  • Therapeutic drug monitoring
  • Metabolic disorders.
Clin Biochem

In addition to tests performed by the department, specialist tests may be sent off-site for analysis.

A 24-hour emergency on-call service and consultant advice are available.

The clinical biochemistry service is provided in collaboration with The Doctors Laboratory Ltd.


Central Middlesex Hospital
Clinical biochemistry is located on the 2nd floor of the main hospital.
Map and directions

Ealing Hospital
Clinical biochemistry is located on the 3rd floor of the Orange Wing.
Map and directions

Opening times are between 9am and 5.30 pm weekdays (excluding public holidays)
Tel. 020 8967 5457 or 020 8967 5459

Northwick Park and St Mark’s Hospitals
Clinical biochemistry is located on Level 5C of the Pathology Block at Northwick Park.
Map and directions

Patients can also drop off specimens at Pathology Specimen Reception, located on Level 5C.

Opening times are between 9am and 5.30 pm weekdays (excluding public holidays)
Tel. 020 8869 3000

Central Middlesex, Northwick Park and St Mark's Hospitals

Dr Yetunde Baoku, Consultant Chemical Pathologist

Dr Natasha Djedovic, Consultant Clinical Scientist (acting)

Victoria Moyse, Laboratory Head of Department

Niraj Vaghadia, Lead Biomedical Scientist (Deputy Laboratory Head of Department)

Ealing Hospital

Dr Frank Geoghegan, Consultant Chemical Pathologist

Nita Kargathra, Director of Operations (The Doctors Laboratory Ltd)

Useful links

Labtestsonline is a public resource website provided by laboratory professionals to help patients understand the laboratory tests used in diagnosis and treatment.

Human Tissue Act  

Institute of Biomedical Science

Association for Clinical Biochemistry and Laboratory Medicine

Health and Care Professions Council

Royal College of Pathologists