F40.10 — Social Anxiety Disorder

Clinical Description

F40.10 codes social anxiety disorder (social phobia), marked by intense fear or anxiety about social situations where the individual may be scrutinized by others. The fear is out of proportion to the actual threat and persists for 6 months or more.

Key Symptoms to Document

When using F40.10, your documentation should reference these symptoms:

• Marked fear or anxiety about social situations involving possible scrutiny
• Fear of acting in a way that will be negatively evaluated or embarrassing
• Avoidance of social or performance situations
• Anxiety that is disproportionate to the actual social threat
• Blushing, trembling, sweating, or nausea in social settings
• Significant impairment in occupational or academic functioning due to avoidance

Common Interventions to Document

Evidence-based interventions typically documented with this diagnosis:

• Cognitive Behavioral Therapy (CBT) with social exposure hierarchy
• Social skills training
• SSRI pharmacotherapy (e.g., sertraline, paroxetine)
• Cognitive restructuring targeting core beliefs about evaluation
• Group therapy for social anxiety

CPT Code Pairings

Common CPT codes used when billing with F40.10:

• 90791 — Psychiatric diagnostic evaluation
• 90834 — Individual psychotherapy, 45 minutes
• 90837 — Individual psychotherapy, 60 minutes
• 90853 — Group psychotherapy
• 96127 — Brief emotional/behavioral assessment

Documentation Tips

• Specify which social situations trigger anxiety (e.g., public speaking, eating in public, meeting new people).
• Document whether the presentation is 'performance only' or generalized across multiple social contexts.
• Note the duration of symptoms (DSM-5 requires at least 6 months).
• Record specific avoidance behaviors and their impact on work, school, or relationships.
• Distinguish from normative shyness by documenting clinically significant distress or functional impairment.

Differential Diagnosis Considerations

When documenting F40.10, consider and rule out:

• Generalized anxiety disorder (F41.1)
• Agoraphobia (F40.00)
• Panic disorder (F41.0)
• Avoidant personality disorder (F60.6)
• Autism spectrum disorder (F84.0)
• Selective mutism (F94.0)

Screening Tools

Standardized measures commonly used with this diagnosis:

• LSAS (Liebowitz Social Anxiety Scale)
• SPIN (Social Phobia Inventory)
• Social Interaction Anxiety Scale (SIAS)
• GAD-7 (as a general anxiety screen)
• Brief Social Phobia Scale (BSPS)