Monoclonal Immunoglobulins and the Measurement of Inorganic Phosphate in Serum

Bowles SA Tait RC Jefferson SG Gilleece MH Haeney MR . Characteristics of monoclonal immunoglobulins that interfere with serum inorganic phosphate measurement. Ann Clin Biochem 1994; 31: 249–54.

Larner AJ . Pseudohyperphosphataemia in multiple myeloma [Letter]. Ann Clin Biochem 1992; 29: 571–2.

Larner AJ . Pseudohyperphosphataemia and monoclonal gammopathy. Br J Clin Pract 1994; 48: 272–4.

Morin LG Prox J. New and rapid procedure for serum phosphorus using o-phenylenediamine as reductant. Clin Chim Acta 1973; 46: 113–7.

Sonnenblick M Eylath U Brisk R Eldad C Hershko C. Paraprotein interference with colorimetry of phosphate in serum of some patients with multiple myeloma. Clin Chem 1986; 32: 1537–9.

Pettersson T Hortling L Teppo AM Totterman KJ Fyhrquist F. Phosphate binding by a myeloma protein. Acta Med Scand 1987; 222: 89–91.

Landowne RA . Immunoglobulin interference with phosphorus and chloride determinations with the Coulter chemistry. Clin Chem 1979; 25: 1189–90.

Tokmakjian S Moses G Haines M. Excessive sample blankings in two analyzers generate reports of apparent hypoglycemia and hypophosphatemia in patients with macroglobulinemia. Clin Chem 1990; 36: 1261–2.

Goodrick MJ Boon RJ Bishop RJD Copplestone JA Prentice AG . Inaccurate haemoglobin estimation in Waldenstrom's macroglobulinaemia: Unusual reaction with monomeric IgM paraprotein. J Clin Pathol 1993; 46: 1138–9.

Larner AJ . Estimation of haemoglobin concentrations using spectrophotometric tests. J Clin Pathol 1994; 47: 681 [Correction: J Clin Pathol 1994; 47: 870].