THE VITAMIN B12 AND FOLATE PATHOLOGY INVESTIGATION
THE INVESTIGATION OF ERRORS IN PATHOLOGY TESTS
FOR VITAMIN B12 AND FOLATE DEFICIENCY
BY MEANS OF MEDICAL EXPERIMENTS
THE HOMOCYSTEINE INVESTIGATION
THE HCY EXPERIMENT
Summary
Analytes and Laboratories
Method
Observations
Results - Notes
Results - Series 1
Results - Series 1b
Conclusions

Test Series

The following series of pathology tests were used for THE HCY EXPERIMENT:

  • Series 1 - Serum B12 Investigation
  • Series 1b

Analytes

The following analyte was compared for variation between laboratories:

  • Total Homocysteine

Laboratories

Series 1:

  • Sullivan Nicolaides Pathology (SNP)
  • Queensland Health Pathology Service (QHPS)
  • NSW Biochemical Genetics Service at The Children's Hospital Westmead (CHW)
  • Pacific Laboratory Medicine Service (PALMS)
  • Royal Prince Alfred Hospital Pathology (RPAH

Series 1b:

  • QML Pathology (QML)
  • Sullivan Nicolaides Pathology (SNP)
  • NSW Biochemical Genetics Service at The Children's Hospital Westmead (CHW)

Duration

  • Series 1 - 24 October 2005 to 27 November 2006
  • Series 1b - 05 February 2007 to 07 February 2007

Number of Tests

  • Series 1 - 39 blood sample collections
  • Series 1b - 6 blood sample collections

 

 

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