D450

D450 is the ICF code for Walking, classified under Activities and Participation. It describes moving along a surface on foot, step by step, so that one foot is always on the ground, such as when strolling, sauntering, walking forwards, backwards, or sideways.

This ICF category appears in Core Sets for conditions like Diabetes Mellitus (E11), Stroke (I63), Depression (F32), Low Back Pain (M54), and 8 more. It is commonly assessed in rehabilitation, disability evaluation, and care planning for these conditions.

D450 is linked to 12 ICD-11 codes: 2C6Z, 5A11, 5B81.Z, 6A70.Z, and 8 more. These codes correspond to ICD-10 diagnoses whose ICF Core Sets include this functioning category.

D450 belongs to the Activities and Participation component of the ICF. Execution of tasks and involvement in life situations.

D450 has 6 child codes, including: D4500 (Walking short distances), D4501 (Walking long distances), D4502 (Walking on different surfaces), and 3 more.

The ICF (International Classification of Functioning, Disability and Health) is a WHO classification that describes how health conditions affect a person's functioning — body functions, body structures, activities and participation, and environmental factors. It complements ICD-10/ICD-11 diagnosis codes with functioning assessment data used in rehabilitation, disability evaluation, and care planning.