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Biochemistry

Automated biochemistry

Our automated chemistry service has laboratories based at Croydon Hospital, Kingston Hospital and St George’s Hospital.

We offer a comprehensive range of automated biochemical tests, many of which are available 24 hours a day, seven days a week.

Our routine tests include:

  • bone profile
  • glucose
  • lipid profiles
  • liver function tests
  • thyroid function tests
  • urea and electrolytes

Special chemistry

We also have a dedicated laboratory for the more specialised biochemistry tests. This includes:

  • capillary electrophoresis for HbA1c
  • mass spectrometry:  for steroids, aldosterone and renin
  • stone analysis
  • high-performance liquid chromatography for Vitamin A&E and biological amines.

Acute Kidney Injury (AKI) alert system

In line with the national think kidneys acute kidney injury programme, led by NHS England, the Acute Kidney Injury (AKI) alert system is being rolled out to cover patients in the community.

The system will go live on 23 May.

Using a nationally developed algorithm, the alerts will be triggered by the South West London Pathology (SWLP) team at levels 1 – 3. Phone calls will be made for all level 2 or 3 alerts 24 hours a day, alerting you to any patient with acute kidney injury.

In addition, in line with the Royal College of Pathologists critical phoning guidelines, AKI alert level 1 on samples with a potassium of >6.0mmol/l will be phoned within 24 hours of the sample being analysed, but not overnight.

All AKI alerts will have an automated comment attached with guidance for follow up.

The AKI pathway with further guidance, developed by the SWL renal lead, along with the AKI SDEC pathway for reference are below.

Latest news

April 20, 2026

Seven Years, four modules and a pandemic: Gill Hubbard’s MSc journey

After seven years of part-time study, countless late nights and a global pandemic, Gill Hubbard, Head of Quality at SWLP, has officially completed her MSc in Healthcare Quality Management. “It’s a great achievement,” she says with a smile. “I’m just very happy to be done with it.” Gill began the MSc just before COVID-19 changed […]

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March 17, 2026

Updated criteria for C. difficile testing in community patients

The Microbiology laboratory at South West London Pathology (SWLP) is now following advice set out in the UK Standards for Microbiology Investigation for the investigation of faecal specimens for Clostridioides difficile (UKHSA) regarding criteria for C. difficile testing.

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March 8, 2026

Ambition and success: Anna Parley on International Women’s Day

For Anna Parley, Communications and Marketing Lead at South West London Pathology, International Women’s Day is both a celebration and a moment of reflection.

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March 2, 2026

Immunology Laboratory upgrade – latest updates

The Immunology Laboratory is undergoing a major upgrade in partnership with Siemens.  The project includes installation of a new automated sample handling system, consolidation of lab testing onto fewer analytical platforms and repatriation of many tests.

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