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F06.4

Billable

Anxiety disorder due to known physiological condition

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Excessive worry, nervousness, or anxiety symptoms that are caused by a known medical condition rather than an anxiety disorder.

Coding Tips

  • •Common causes include hyperthyroidism, cardiac conditions, and medication side effects
  • •Document the medical condition and confirm it is the direct cause of anxiety symptoms

Excludes 2 — Not included here, may code separately

  • 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.-)

Code Hierarchy

└F06Other mental disorders due to known physiological condition└F06.4Anxiety disorder due to known physiological condition
└F06.4Anxiety disorder due to known physiological condition

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