ICD-10-CM Codes > F01-F09 > F06

Other mental disorders due to known physiological condition
2025 ICD-10-CM DIAGNOSIS CODE F06

Code Attributes

  • Non-Billable/Non-Specific Code


Type 1 Excludes:

  • Unspecified dementia (F03.-)


Type 2 Excludes:

  • Delirium due to known physiological condition (F05)
  • Dementia as classified in F01-F02
  • Other mental disorders associated with alcohol and other psychoactive substances (F10-F19 )


Includes:

  • Mental disorders due to endocrine disorder
  • Mental disorders due to exogenous hormone
  • Mental disorders due to exogenous toxic substance
  • Mental disorders due to primary cerebral disease
  • Mental disorders due to somatic illness
  • Mental disorders due to systemic disease affecting the brain


Code First

  • The underlying physiological condition

Codes


  • F06.0 Psychotic disorder with hallucinations due to known physiological condition
  • F06.1 Catatonic disorder due to known physiological condition
  • F06.2 Psychotic disorder with delusions due to known physiological condition
  • F06.3 Mood disorder due to known physiological condition
  • F06.30 Mood disorder due to known physiological condition, unspecified
  • F06.31 Mood disorder due to known physiological condition, with depressive features
  • F06.32 Mood disorder due to known physiological condition, with major depressive-like episode
  • F06.33 Mood disorder due to known physiological condition, with manic features
  • F06.34 Mood disorder due to known physiological condition, with mixed features
  • F06.4 Anxiety disorder due to known physiological condition
  • F06.7 Mild neurocognitive disorder due to known physiological condition
  • F06.70 Mild neurocognitive disorder due to known physiological condition, without behavioral disturbance
  • F06.71 Mild neurocognitive disorder due to known physiological condition, with behavioral disturbance
  • F06.8 Other specified mental disorders due to known physiological condition

ICD-10 Code F06 refers to "other mental disorders due to known physiological condition." This classification encompasses a range of mental disorders that are directly attributed to a physiological condition rather than primary psychiatric illnesses. 


Understanding and accurately applying this code is crucial for mental health professionals. Proper code selection ensures appropriate treatment planning, facilitates accurate communication among healthcare providers, and is essential for maintaining compliance with insurance and regulatory requirements.


1. Billing and insurance claims 

Proper use of the F06 code can significantly impact billing and insurance claims within the mental health sector. When billing for services provided to patients diagnosed under the F06 category, it's vital to ensure that the diagnosis is accurately reflected in the patient's records and in the claims submitted to insurance companies. This ensures that claims are processed smoothly and reduces the risk of denials due to coding errors.


2. Diagnosis specificity

Be specific when using the F06 code when it comes to the physiological condition causing the mental disorder. When documenting this diagnosis, make sure to include detailed notes about the physiological condition presumed to be the cause. This might involve coordination with other healthcare providers to obtain a comprehensive understanding of the patient's health status.


3.Treatment planning

Understanding that a mental disorder is directly linked to a physiological condition can influence treatment planning. This connection necessitates a multidisciplinary approach where both psychological symptoms and underlying physical causes are addressed simultaneously. Additionally, recognizing this relationship may alter medication choices, therapy approaches, and the overall prognosis communicated to patients and their families.


4. Insurance authorization

Some insurance providers may require pre-authorization for treatment of mental disorders under the F06 category, especially if specialized or long-term care is anticipated. Ensure that all necessary documentation is provided to insurers to facilitate authorization. This may include detailed treatment plans and justifications for the chosen therapeutic approaches based on the physiological underpinnings of the patient's condition.


5. Coding updates and compliance

Staying updated with any revisions or updates to the ICD-10 codes is essential for compliance and accurate billing. Practitioners must stay informed about any changes that might affect how they code for mental disorders due to known physiological conditions.


Sources


  • "F06 - Other mental disorders due to known physiological condition". National Cancer Institute EVS Explore. National Cancer Institute, n.d., https://evsexplore.semantics.cancer.gov/evsexplore/concept/icd10cm/F06. Accessed 27 Jan 2025.
  • "F06 - Other mental disorders due to known physiological condition". National Cancer Institute EVS Explore. National Cancer Institute, n.d., https://evsexplore.semantics.cancer.gov/evsexplore/concept/icd10cm/F06. Accessed 27 Jan 2025.
  • "F06 - Other mental disorders due to known physiological condition". National Cancer Institute EVS Explore. National Cancer Institute, n.d., https://evsexplore.semantics.cancer.gov/evsexplore/concept/icd10cm/F06. Accessed 27 Jan 2025.
  • "2025 ICD-10-CM Diagnosis Code F06: Other mental disorders due to known physiological condition". ICD10Data. ICD10Data, n.d., https://www.icd10data.com/ICD10CM/Codes/F01-F99/F01-F09/F06-/F06. Accessed 27 Jan 2025.

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