Symptoms or signs involving motivation or energy

Description

Symptoms and signs involving motivation (the process that initiates, guides, and maintains goal-oriented behaviours) or energy (the strength and vitality required for sustained physical or mental activity). [1]

Subcategories

• MB22.0 Avolition

  A general lack of drive, or lack of motivation to pursue meaningful goals (e.g., as evidenced by limited participation in work, school, or socializing with others). [1]

• MB22.1 Decreased libido

  Decreased sexual desire or sexual activity compared with the patient's usual levels of sexual interest and functioning. [1]

• MB22.2 Demoralization

  Loss of confidence in one's ability to cope, with associated feelings of helplessness, hopelessness, and discouragement. [1]

• MB22.3 Hopelessness

  Little or no belief in a positive future. [1]

• MB22.4 Increased energy

  Increased physical or mental resources for activity, typically characterised by increased capacity for work and greater efficiency in responding to stimuli. [1]

• MB22.5 Increased goal-directed activity

  Increased planning of and participation in multiple activities (e.g. sexual, occupational, political, religious), compared to the individual's typical level of activity. [1]

• MB22.6 Increased libido

  Increased sexual desire or sexual activity compared with the patient's usual levels of sexual interest and functioning. [1]

• MB22.7 Tiredness

  Feeling of reduced alertness and an accompanying decrease in mental acuity, in some cases resulting in an impulse or tendency to fall asleep. [1]

References

1. World Health Organization. International Classification of Diseases, 11th Revision, for Mortality and Morbidity Statistics (ICD-11 MMS), 2026-01 release. World Health Organization; 2026.

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