P61: Other perinatal haematological disorders

P61.9: Perinatal haematological disorder, unspecified

Blood is made up of a liquid part and different blood cells, among other things. The blood cells include the red blood cells, the white blood cells and the platelets. The red blood cells carry oxygen from the lungs throughout the body. White blood cells are part of the body’s immune system. They fight pathogens. Platelets are important for blood clotting.