B43501

B43501 is the ICF code for Non-specific immune response, classified under Body Functions. It describes functions of the body's general response of sensitization to foreign substances, including infections.

B43501 belongs to the Body Functions component of the ICF. Physiological functions of body systems, including psychological functions.

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.