Mental, Behavioral and Neurodevelopmental Disorders
ICD-10 Code: F41.1
Generalized Anxiety Disorder
Excessive worry about multiple concerns for ≥6 months with associated symptoms.
Clinical Information
GAD affects 3-6% of adults. Characterized by excessive, difficult-to-control worry about everyday concerns plus ≥3 of: restlessness, fatigue, concentration problems, irritability, muscle tension, sleep disturbance.
Coding Guidelines
- 1Use when 'generalized anxiety disorder' or 'GAD' documented
- 2Requires worry for ≥6 months
- 3Different from panic disorder (F41.0) or social anxiety (F40.10)
Common Uses
- Psychiatry/primary care management of GAD
- Medication for chronic excessive worry
Related ICD-10 Codes
F41.9Anxiety disorder, unspecified
F41.0Panic disorder
Documentation Requirements
- Document 'GAD' or 'generalized anxiety disorder'
- Duration of symptoms
- Associated symptoms (restlessness, fatigue, etc.)
Real-World Coding Examples
55-year-old with 2-year history of excessive worry about finances, health, family. Difficulty concentrating, muscle tension. On sertraline. Diagnosis: Generalized anxiety disorder (F41.1)
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