• Our Vision is to improve healthcare as a global provider of innovative and reliable diagnostic tests.
  • Our Mission is to identify and develop novel patentable diagnostic markers and technologies which can be commercialised to meet clinical needs.
  • We will collaborate with partners, create branded products and identify complementary businesses which support our objective of continuing to grow as a respected and profitable healthcare company.
  • Our Values include meeting all current and future regulatory, quality and environmental standards appropriate for our industry and the countries in which we operate.

Enzymatic Homocysteine


As a general marker of overall health status, few tests carry greater predictive weight then Homocysteine. The amount of Homocysteine in your blood is one of the best independent indicators of how healthy you are.

Axis-Shield launched the first immunoassay for Homocysteine and we are still at the forefront of promoting this vital marker with our new Enzymatic assay for use on laboratory clinical chemistry platforms.


For more information please visit our product website at www.homocysteine.org.uk

    Click the image to download our brochure 




  • Multiple instrument applications available (Roche, BCI, Siemens and others)
  • Compatible with serum, serum separator and EDTA or heparinized plasma
  • Sample volume from 15µL
  • Limit of detection from 0.8 µmol/L
  • Assay Range up to 46 µmol/L
  • Only 2 calibrators required with calibration stability up to 4 weeks
  • Time to first result from 12 minutes
  • Ready to use, liquid stable reagents and calibrators supplied


Intended Use

The Liquid Stable (LS) 2-Part  Enzymatic Homocysteine assay is intended for in vitro quantitative determination of total homocysteine in human serum and plasma.


Assay Principle

In the Axis-Shield Enzymatic Homocysteine assay, bound or dimerised homocysteine (oxidised form) is reduced to free homocysteine, which then reacts with serine catalysed by cystathionine beta-synthase (CBS) to form L-cystathionine. Cystathionine in turn is broken down by cystathionine beta-lyase (CBL) to form homocysteine, pyruvate and ammonia. Pyruvate is then converted by lactate dehydrogenase (LDH) to lactate with NADH as coenzyme. The rate of NADH conversion to NAD is directly proportional to the concentration of homocysteine.




EDTA plasmas run in duplicate on the Roche Integra 800 over 20 days according to CLSI EP5-A2:

  Sample 1 Sample 2 Sample 3
Mean umol/L 8.5 35.5 45.6
Within-run CV% 1.9% 0.9% 0.9%
Total CV% 2.7% 1.6% 1.9%



*Products may not be approved for sale in all countries. Please contact us for further details.

Axis-Shield at a Glance

A pioneering organisation focused on the development and manufacturing of important and innovative in vitro diagnostic tests for use in clinical laboratories.

› More about our tests

Focus on Homocysteine

As a general marker of overall health status, few tests carry greater predictive weight than Homocysteine. The amount of Homocysteine in your blood is one of the best independent indicators of how healthy you are.


› Axis-Shield Homocysteine assays

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Diagnostics for the laboratory & the point of care in areas of clinical need including diabetes, cardiovascular & neurodegenerative disease, rheumatoid arthritis & infectious disease.