F06.4
Billable codeAnxiety disorder due to known physiological condition
The ICD-10 code for anxiety disorder due to known physiological condition is F06.4.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F06.0Psychotic disorder with hallucinations due to known physiological condition
- F06.1Catatonic disorder due to known physiological condition
- F06.2Psychotic disorder with delusions due to known physiological condition
- F06.3Mood disorder due to known physiological conditionnon-billable header
- F06.7Mild neurocognitive disorder due to known physiological conditionnon-billable header
- F06.8Other specified mental disorders due to known physiological condition
- F06.4Anxiety disorder due to known physiological condition
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 29384
Associated MS-DRGs
F06.4 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.