F05 DELIRIUM DUE TO KNOWN PHYSIOLOGICAL CONDITION

Code Information

  • Diagnosis Code: F05
  • Short Description: Delirium due to known physiological condition
  • Long Description: Delirium due to known physiological condition
  • Code Version: 2025 ICD-10-CM

The code F05 is VALID for claim submission

Code Classification

This code is valid for unacceptable principal diagnosis

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 due to hepatic encephalopathy
  • 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

ICD-10 Code ICD-9 Code ICD-9 Description
F05 Right Arrow 293.0 Delirium d/t other cond
293.1 Subacute delirium
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

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ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2024
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