The evaluation in a newly diagnosed case of acute lymphoid leukaemia (ALL) should routinely include all of the following except
Viscosity testing is typically reserved for cases of multiple myeloma where paraproteins (paicularly IgM) can lead to vascular sludging and subsequent tissue ischemia. ref - Harrison's internal medicine 20e pg, 758, 758t, 759 .
Plasma viscosity
Bone marrow biopsy
Cellsurface phenotyping
Complete metabolic panel
Haematology