A Dispensing System (1) comprising: a portable Insulin Pump (1005) dispensing Portable insulin to administer insulin to a patient a glucose sensor (1006) for reAliza periodically a Plurality of glucose Measurements that correspond to the concentration of glucose in Blood a Processor (10) to determine one or more Representative of HbA1c valuesGlycated haemoglobin levels in a patient on the basis of regular measurements of glucose characterized in that the Processor (10) is provided in one or more of the System (1000) insulin dispensing PortableA Remote Control Unit (1008) Hand Pump for dispensing Insulin (90) and a Monitor Blood glucose of hand The Processor (10) is configured to determine one or more valuesHbA1c based on a mathematical model that relates one or more values of HbA1c with glucose concentrations determined from measurements of glucose,A mathematical model including the Kinetic model of first order reaction Kinetics Representative of a first order reaction between Glucose and hemoglobin A1c and lossThrough the clearance of Erythrocytes in the HbA1c is estimated to be a stable reaction product and the system is configured to alert the patient if it evaluates an HbA1c value High,Recommending a medical examination by a Doctor of Health.Un sistema (1000) de dispensación de insulina portátil que comprende: una bomba (1005) de dispensación de insulina portátil para administrar insulina a un paciente un sensor de glucosa (1006) para realizar periódicamente una pluralidad de mediciones de glucosa que corresponden a la concentración de glucosa en sangre un procesador (10) para determinar uno o más valores de HbA1c representativos de los niveles de hemoglobina glucosilada de un paciente basándose en las mediciones de glucosa periódicas caracterizado por que: el procesador (10) se proporciona en uno cualquiera o más del sistema (1000) de dispensación de insulina portátil, una unidad (1008) de control remoto de mano para la bomba de dispensación de insulina y un mo
