F06.4
✓ BillableAnxiety disorder due to known physiological condition
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
❌ Excludes1
inherited from F06Rules from parent category F06: Other mental disorders due to known physiological condition
- • unspecified dementia (F03.-)
⚠️ Excludes2
directMay be coded together if both conditions coexist
- • anxiety disorders due to alcohol and other psychoactive substances (F10-F19 with .180, .280, .980)
- • anxiety disorders, not due to known physiological condition or unspecified (F40.-, F41.-)
⚠️ Excludes2
inherited from F06Rules from parent category F06: Other mental disorders due to known physiological condition
- • 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)
📋 Code Instructions
from F06- • Code first: the underlying physiological condition
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CodeF06.4
BillableYes
ParentF06
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes11 rule(s)
Excludes25 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)