ICD-10-CM Diagnosis Code (2025)
Official Description for F05
Delirium due to known physiological condition
Coding Notes & Guidelines for F05
delirium NOS (R41.0)
delirium tremens alcohol-induced or unspecified (F10.231, F10.921)
- the underlying physiological condition, such as:
- dementia (F03.9-)
- 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
About ICD-10-CM Code F05 (Delirium due to known physiological condition)
ICD-10-CM code F05 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM F05 became effective on October 1, 2024.
This page provides detailed information about F05 - Delirium due to known physiological condition. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Delirium due to known physiological condition.