Vitamin D3 (1,25 dihydroxy-cholecalciferol)Diagnostician Similar services:Determination of immunoglobulin AAudiometryThyroid Stimulating Hormone (TSH)Determination of the level of prolactin (PRL)Express diagnostics of urine with the Guarders MiniLab® system at home (Erythrocytes, specific gravity, Leukocytes, Protein)