A method of compensating for errors during continuous glucose monitoring measurements comprising: providing a CGM device including a sensor, a memory and a processor; applying a constant voltage potential to the sensor, measuring primary current signals resulting from the constant voltage potential and storing measured primary current signals in the memory; between measurements of primary current signals, applying a probing potential modulation sequence to the sensor, measuring probing potential modulation current signals resulting from the probing potential modulation sequence and storing measured probing potential modulation current signals in the memory; and for each primary current signal, employing the primary current signal and a plurality of the measured probing potential modulation current signals associated with the primary current signal to determine a glucose value, wherein the determination of the glucose value includes computing at least one of: an ending measured probing potential modulation current divided by a first measured probing potential modulation current within a voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by a first measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; and a first measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence. providing a CGM device including a sensor, a memory and a processor; applying a constant voltage potential to the sensor, measuring primary current signals resulting from the constant voltage potential and storing measured primary current signals in the memory; between measurements of primary current signals, applying a probing potential modulation sequence to the sensor, measuring probing potential modulation current signals resulting from the probing potential modulation sequence and storing measured probing potential modulation current signals in the memory; and for each primary current signal, employing the primary current signal and a plurality of the measured probing potential modulation current signals associated with the primary current signal to determine a glucose value, wherein the determination of the glucose value includes computing at least one of: an ending measured probing potential modulation current divided by a first measured probing potential modulation current within a voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by a first measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; and a first measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence. an ending measured probing potential modulation current divided by a first measured probing potential modulation current within a voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; an ending measured probing potential modulation current of a later voltage step divided by a first measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence; and a first measured probing potential modulation current of a later voltage step divided by an ending measured probing potential modulation current of an earlier voltage step of the probing potential modulation sequence.