Depression, Major


Related Terms

  • Clinical Depression
  • Depressive Psychosis
  • Endogenous Depression
  • Major Depressive Disorder
  • Psychotic Depression
  • Unipolar Depression

Differential Diagnoses

Specialists

  • Clinical Psychologist
  • Psychiatrist

Comorbid Conditions

Factors Influencing Duration

Length of disability may be influenced by the severity of the illness, the presence of complicating factors such as substance abuse or suicide attempts, response to therapy, and job requirements. Only in the most severe and unusual cases should major depression result in permanent disability.

Substance abuse will complicate treatment and may significantly delay returning to work. Suicide attempts that lead to hospitalization will also be associated with longer periods of disability.

Medical Codes

ICD-9-CM:
296.2 - Major Depressive Disorder, Single Episode
296.20 - Major Depressive Disorder, Single Episode; Unspecified
296.21 - Major Depressive Disorder, Single Episode; Mild
296.22 - Major Depressive Disorder, Single Episode; Moderate
296.23 - Major Depressive Disorder, Single Episode; Severe, without Mention of Psychotic Behavior
296.24 - Major Depressive Disorder, Single Episode; Severe, Specified as with Psychotic Behavior
296.25 - Major Depressive Disorder, Single Episode; in Partial or Unspecified Remission
296.26 - Major Depressive Disorder, Single Episode; in Full Remission
296.3 - Major Depressive Disorder, Recurrent Episode
296.30 - Major Depressive Disorder, Recurrent Episode; Unspecified
296.31 - Major Depressive Disorder, Recurrent Episode; Mild
296.32 - Major Depressive Disorder, Recurrent Episode; Moderate
296.33 - Major Depressive Disorder, Recurrent Episode; Severe, without Mention of Psychotic Behavior
296.34 - Major Depressive Disorder, Recurrent Episode; Severe, Specified as with Psychotic Behavior
296.35 - Major Depressive Disorder, Recurrent Episode; in Partial or Unspecified Remission
296.36 - Major Depressive Disorder, Recurrent Episode; in Full Remission
311 - Depressive Disorder, Not Elsewhere Classified

Length of Disability
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