Diagnosis Code: F05

Short Description: Delirium due to known physiological condition

Long Description: Delirium due to known physiological condition

The code F05 is VALID for claim submission

Code Classification:

• Mental and behavioural disorders (F01–F99)
  • Mental disorders due to known physiological conditions (F01-F09)
    • Delirium due to known physiological condition (F05)
      • F05 Delirium due to known physiological condition

Code Version: 2022 ICD-10-CM

Synonyms

• Acute confusional state, of endocrine origin
• Acute confusional state, of infective origin
• Acute confusional state, of metabolic origin
• Acute confusional state, post-traumatic
• Delirium of mixed origin
• Hyperactive behavior
• Hyperactive behavior
• Hyperactive postoperative delirium
• Hypoactive postoperative delirium
• Mixed hyperactive hypoactive postoperative delirium
• Post-injection delirium sedation syndrome
• Postoperative confusion
• Postoperative confusion
• Postoperative confusion
• Postoperative confusion
• Postoperative delirium
• Postseizure confusion
• Postseizure delirium
• Senile dementia with delirium
• Sundowning
• Toxic confusional state

References to Index of Diseases and Injuries

The code F05 has the following ICD-10-CM references to the Index of Diseases and Injuries

• 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
• Type 1 Excludes Notes:
  • delirium NOS (@R41.0*)
• Type 2 Excludes Notes:
  • delirium tremens alcohol-induced or unspecified (@F10.231*, @F10.921*)
• Code First:
  • the underlying physiological condition, such as:
  • dementia (@F03.9*-)

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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