Table 4.

Biochemical tests

Tests	Blood	Urine
Mandatory	▪ Complete Blood Count (CBC) ▪ BUN, creatinine ▪ Electrolytes (including ionized calcium) ▪ Serum total protein, albumin ▪ Cholesterol, triglycerides ▪ CRP ▪ Coagulation (including ATIII) ▪ Immunoglobulins ▪ Complement (C3, C4)	▪ Urinalysis (early morning sample) ▪ 24-h proteinuria or Proteinuria/creatininuria (uP/uCr)
Additional	▪ Auto-immune markers (ANA, DS-DNA, ENA, ANCA) ▪ Thyroid function ▪ Infections (HBV, HCV, HIV, ParvoB19, CMV, EBV, pneumococcus, salmonella, treponema, mycoplasma…)	▪ Urine sodium