We send ours to the Medical Toxicology Lab people at "New Cross", a.k.a. Guys/StTommy's. Best wishes, Les. >Does anyone offer a service for screening for diuretics in urine? > >Many thanks > >Dr Robert Lord >Clinical Chemistry >Northern General Hospital >Herries Road >Sheffield >S5 7AU Dr Les Culank, Consultant Chemical Pathologist Box 232 Addenbrooke's Hospital Cambridge UK CB2 2QR 01223 - 217153 fax 216862 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%