ADULTERATION AND DILUTION CHECKS

Labs using specimen „validity‟ or „adulta-checks‟ can detect pre-collection and post-collection dilution. External Adulteration External adulteration is achieved by adding a substance to the urine during the collection process, once the urine is safely outside the body. ... testing is a pH between 4.5 and 8.0. A pH below this range is ...

  Testing, Check, Specimen, Validity, Dilution, Adulteration, Adulteration and dilution checks