laboratory diagnostic - tumor markers - Beta-2 microglobulin - urine, 24hr urine collection 10ml, The urine must be frozen within 30 minutes after collection and must be sent in the frozen samples container(!), the urine samples must not be acidic. If this is the case, adjust the pH between 7 and 9 without delay before sending, with 1N NaOHSpecify diuresis, Chemiluminescence or nephelometry, ssso, todylaboratories®, bmn, code L16LD2130