B164

B164 is the ICF code for Higher-level cognitive functions, classified under Body Functions. It describes specific mental functions especially dependent on the frontal lobes of the brain, including complex goal-directed behaviours such as decision-making, abstract thinking, planning and carrying out plans, mental flexibility, and deciding which behaviours are appropriate under what circumstances; often called executive functions.

This ICF category appears in Core Sets for conditions like Stroke (I63), Depression (F32), Multiple Sclerosis (G35), Traumatic Brain Injury (S06). It is commonly assessed in rehabilitation, disability evaluation, and care planning for these conditions.

B164 is linked to 4 ICD-11 codes: 6A70.Z, 8A40.Z, 8B11.3, NA07.Z. These codes correspond to ICD-10 diagnoses whose ICF Core Sets include this functioning category.

B164 belongs to the Body Functions component of the ICF. Physiological functions of body systems, including psychological functions.

B164 has 9 child codes, including: B1640 (Abstraction), B1641 (Organization and planning), B1642 (Time management), and 6 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.