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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 >

2008 ICD-9-CM Diagnosis 309

Adjustment reaction

 On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.

The 2009 version of ICD-9-CM 309 can be accessed here.

  • Maladaptive reactions to identifiable psychosocial stressors occurring within a short time after onset of the stressor. They are manifested by either impairment in social or occupational functioning or by symptoms (depression, anxiety, etc.) that are in excess of a normal and expected reaction to the stressor.
  • 309 is a non-specific code that cannot be used to specify a diagnosis

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309 includes:

  • adjustment disorders
  • reaction (adjustment) to chronic stress

309 excludes: