- A mental state of depressed mood characterised by feelings of sadness, despair and discouragement.
- Mild depression that is not considered clinical depression. For clinical depression, use major depression.
- Unpleasant, but not necessarily irrational or pathological, mood state characterized by sadness, despair, or discouragement; "the blues"; may also involve low self-esteem, social withdrawal, and somatic symptoms such as eating and sleep disturbance.
311 Depressive disorder not elsewhere classified convert 311 to ICD-10-CM