Last updated: Friday, 17, December, 2010
Lead - blood, Lead - urine; FBC, blood film.
For sub-toxic exposure, or in acute organic lead poisoning, only blood lead is reliable.
If blood lead is normal in a patient with a history of past exposure: urinary lead increment following EDTA infusion (consult pathologist).
Lead assays have largely superseded assays of 5-aminolaevulinate, porphyrins (urine and red cell) and porphobilinogen synthetase (red cell).
|Review FBC, blood film; reticulocyte count. See Haemolysis for biochemical tests to document the presence of haemolysis.|
|See Renal tubulo-interstitial disorders|