Classifications are identified by letters – T for track and jumping events, F for field events – and numbers, which specify the type and severity of disability – the lower the number, the more severe the impairment:

11-13 – Visual impairment.

20 – Intellectual impairment.

31-38 – Coordination impairments (hypertonia, ataxia and athetosis) (31-34 are wheelchair users).

40-41 – Short stature.

42-44 – Lower limb deficiency, leg length difference, impaired muscle power or impaired range of movement.

45-47 – Upper limb(s) deficiency, impaired muscle power or impaired range of movement.

51-57 – Limb deficiency, leg length difference, impaired muscle power or impaired range of movement (wheelchair users).