F41.9 Anxiety disorder, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Anxiety NOS

Applies from F41 Other anxiety disorders

Excludes2 (not included here)

• anxiety in:
• acute stress reaction (F43.0)
• transient adjustment reaction (F43.2)
• neurasthenia (F48.8)
• psychophysiologic disorders (F45.-)
• separation anxiety (F93.0)

MS-DRG index

Defines the logic of DRG(s) 880 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 300.00 Anxiety state, unspecified

Code annotations containing back-references to F41.9

Back-references to F41

• Type 2 Excludes: F06.4 Anxiety disorder due to known physiological condition ("anxiety disorders, not due to known physiological condition or unspecified (F40.-, F41.-)")
• Type 2 Excludes: F90 Attention-deficit hyperactivity disorders ("anxiety disorders (F40.-, F41.-)")
• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("nonpsychotic mental disorders (F40-F48)")

Diagnosis Index entries for F41.9

• Anxiety
• Apprehensiveness, abnormal
• Disorder (of) › anxiety

Nearby codes

• F41 Other anxiety disorders
• F41.0 Panic disorder [episodic paroxysmal anxiety]
• F41.1 Generalized anxiety disorder
• F41.3 Other mixed anxiety disorders
• F41.8 Other specified anxiety disorders
• F41.9 Anxiety disorder, unspecified (this code)