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ICD-10 F05 - Delirium due to known physiological condition

F05

ICD-10 Billable

Delirium due to known physiological condition

Inclusion terms:
  • Acute or subacute brain syndrome
  • Acute or subacute confusional state (nonalcoholic)
  • Acute or subacute infective psychosis
  • Acute or subacute organic reaction
  • Acute or subacute psycho-organic syndrome
  • Delirium of mixed etiology
  • Delirium superimposed on dementia
  • Sundowning
Code first: the underlying physiological condition
Specifically for this code:
  • delirium NOS (R41.0)
Specifically for this code:
  • delirium tremens alcohol-induced or unspecified (F10.231, F10.921)
From Chapter 5:
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
From Chapter 5:
  • disorders of psychological development
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.
This ICD-10 code translates to more than one ICD-9 code:

293.0

ICD-9 Billable

Delirium due to conditions classified elsewhere

293.1

ICD-9 Billable

Subacute delirium