B455

B455 is the ICF code for Exercise tolerance functions, classified under Body Functions. It describes functions related to respiratory and cardiovascular capacity as required for enduring physical exertion.

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.

B455 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.

B455 belongs to the Body Functions component of the ICF. Physiological functions of body systems, including psychological functions.

B455 has 5 child codes, including: B4550 (General physical endurance), B4551 (Aerobic capacity), B4552 (Fatiguability), and 2 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.