B640

B640 is the ICF code for Sexual functions, classified under Body Functions. It describes mental and physical functions related to the sexual act, including the arousal, preparatory, orgasmic and resolution stages.

This ICF category appears in Core Sets for conditions like Diabetes Mellitus (E11), Stroke (I63), Depression (F32), Obesity (E66), and 3 more. It is commonly assessed in rehabilitation, disability evaluation, and care planning for these conditions.

B640 is linked to 7 ICD-11 codes: 2C6Z, 5A11, 5B81.Z, 6A70.Z, and 3 more. These codes correspond to ICD-10 diagnoses whose ICF Core Sets include this functioning category.

B640 belongs to the Body Functions component of the ICF. Physiological functions of body systems, including psychological functions.

B640 has 6 child codes, including: B6400 (Functions of sexual arousal phase), B6401 (Functions of sexual preparatory phase), B6402 (Functions of orgasmic phase), 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.