laboratory diagnostic - others - CrossLaps (CTx), urines (bone resorbtion marker, osteopenia, osteoporosis: fracture risk assessment), 1st or 2nd early morning urine 3ml, Frozen, The urine sample must be frozen within 4 hrs after collection and must be sent in the frozen samples container(!), Enzyme-immunoassay,ssso, todylaboratories®, bmn, code L16LD1610