D4550

D4550 is the ICF code for Crawling, classified under Activities and Participation. It describes moving the whole body in a prone position from one place to another on hands, or hands and arms, and knees.

D4550 belongs to the Activities and Participation component of the ICF. Execution of tasks and involvement in life situations.

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.