F01-F09

Non-Billable
ChapterF01–F99
Rankblock
Official Description

Mental disorders due to known physiological conditions (F01-F09)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F01-F09Mental disorders due to known physiological conditions (F01-F09)
F01Vascular dementia
F02Dementia in other diseases classified elsewhere
F03Unspecified dementia
F04Amnestic disorder due to known physiological condition
F05Delirium due to known physiological condition
F06Other mental disorders due to known physiological condition
F07Personality and behavioral disorders due to known physiological condition
F09Unspecified mental disorder due to known physiological condition

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F01-F09:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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