Immulite psa, immulite. third generation psa, immulite 2000 psa, and immulite 2000 third generation psa.  Immulite. psa is indicated for in vitro diagnostic use with the immulite analyzer for the quantitative measurement of prostate-specific antigen (psa) in human serum, as an aid in the detection of prostate cancer when used in conjunction with digital rectal examination (dre) in men aged 50 years or older.  Immulite third generation psa is indicated for in vitro diagnostic use with the immulite analyzer for the quantitative measurement of prostate-specific antigen (psa) in human serum, as an aid in the detection of prostate cancer when used in conjunction with digital rectal examination (dre) in men aged 50 years or older.  Immulite 2000 psa is indicated for in vitro diagnostic use with the immulite 2000 analyzer for the quantitative measurement of prostate-specific antigen (psa) in human serum, as an aid in the detection of prostate cancer when used in conjunction with digital rectal examination (dre) in men aged 50 years or older.  Immulite 2000 third generation psa is indicated for in vitro diagnostic use with the immulite 2000 analyzer for the quantitative measurement of prostate-specific antigen (psa) in human serum, as an aid in the detection of prostate cancer when used in conjunction with digital rectal examination (dre) in men aged 50 years of older.