F40.10 — Social Anxiety Disorder

Clinical Description

F40.10 codes social anxiety disorder (social phobia): intense, lasting fear of social or performance situations in which the patient expects to be judged or embarrassed, with avoidance and distress that interfere with daily life.

Key Symptoms to Document

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

• Fear of being judged, embarrassed, or rejected in social or performance situations
• The specific situations that trigger the fear (meetings, public speaking, eating in front of others, meeting new people)
• Avoidance, or getting through situations with heavy reliance on safety behaviors
• Physical signs in social settings, such as blushing, trembling, or sweating
• Impact on work, school, or relationships

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. Code descriptions below are original plain-language summaries, not official AMA CPT descriptor text — consult a current CPT codebook for authoritative definitions:

• 90791 — Intake interview and diagnostic assessment
• 90834 — Individual therapy, standard session (38–52 min)
• 90837 — Individual therapy, extended session (53+ min)
• 90853 — Therapy delivered in a group of unrelated clients
• 96127 — Brief standardized symptom questionnaire, scored and documented

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 how long the pattern has been present and check it against the DSM-5-TR duration requirement.
• 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)