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ICD-10 F09 - Unspecified mental disorder due to known physiological condition

F09

ICD-10 Billable

Unspecified mental disorder due to known physiological condition

Inclusion terms:
  • Mental disorder NOS due to known physiological condition
  • Organic brain syndrome NOS
  • Organic mental disorder NOS
  • Organic psychosis NOS
  • Symptomatic psychosis NOS
Code first: the underlying physiological condition
Specifically for this code:
  • psychosis NOS (F29)
From Chapter 5:
  • disorders of psychological development
From Chapter 5:
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
From Section F01-F09:
  • This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.

310.9

ICD-9 Billable

Unspecified nonpsychotic mental disorder following organic brain damage

      
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