F06

Non-billable (Header)

Other mental disorders due to known physiological condition

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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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 Instructions

  • Code first: the underlying physiological condition

Excludes1

direct

Cannot be coded with F06

  • unspecified dementia (F03.-)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • 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)

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Code Information

CodeF06
BillableNo — Header code
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes11 rule(s)
Excludes23 note(s)
Child codes7

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)