For in vitro diagnostic use. Digital navify Algorithm GAAD IVD navify® Algorithms, GAAD PID00000388 09342192001 Elecsys GAAD - 1.x Elecsys GAAD 07613336193303 Electronic Services Not Available Not Available GAAD is an in vitro diagnostic multivariate index assay intended to provide a semi-quantitative result by combining in an algorithm the quantitative measurements of Elecsys AFP assay and Elecsys PIVKA‑II assay in human serum and plasma with gender and age.GAAD is intended as an aid in diagnosis of Hepatocellular Carcinoma (HCC) (early and all stages). GAAD is indicated for adults who meet the following criteria: diagnosis of chronic liver disease and recommended for surveillance due to increased risk of developing HCC. GAAD must be interpreted in conjunction with other diagnostic findings and clinical information in accordance with standard clinical management guidelines. en