Dear All
We recently have seen an apparent interference in a particular
patient with chronic renal failure due to SLE. The total calcium,
measured on a Roche Integra, of greater than 4 mmol/L attracted our
attention. The method uses o-cresolphthalein complexone. The patient had
no symptoms of hypercalcaemia. On repeating the assay, in dilution, a
lower result was obtained. On further checking, neat, the result had
fallen even further. If anyone has had any experience or knowledge of
this, any information would be appreciated.
Thank you
John Kane
Mr. John Kane
Clinical Biochemistry Dept
Hope Hospital
Salford
M6 8HD
Tel. 0161 787 4374
Fax. 0161 788 7443
Email [log in to unmask]
Website :- http://www.johnsgarden.co.uk/
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