Quick reference
- When to use
- Use F40.298 when the client presents with symptoms consistent with Specific Phobia, Other Type that cause clinically significant distress or functional impairment, and the presentation is not better explained by another mental disorder, substance use, or medical condition.
- Duration
- Symptoms must be present for at least 6 months. Reassess severity and diagnosis at regular intervals. Update code if symptoms remit or change in character.
- Session codes
- Pair with CPT 90791 (initial evaluation), 90834 (45-min therapy), 90837 (60-min therapy), or 90847 (family therapy). Add 90785 for interactive complexity. Use 96127 for standardized screening (e.g., GAD-7).
- Key indicators
- Excessive worry or fear disproportionate to actual threat • Avoidance behaviors • Physical symptoms (muscle tension, restlessness, fatigue) • Functional impairment in work, social, or daily activities
What F40.298 represents
This covers specific phobias that don't fit into the standard subtypes – fears of choking, vomiting (emetophobia), loud sounds, costumed characters, clowns, and other specific stimuli.
Key diagnostic criteria
Same specific phobia criteria with phobic stimulus being a specific situation or object not classified elsewhere.
Documentation essentials
Clearly identify the phobic stimulus. Document avoidance and impairment.
Differential diagnosis
Consider OCD (contamination fears vs. specific phobias), somatic symptom disorder, and illness anxiety disorder.
Treatment planning
Exposure therapy tailored to the specific phobic stimulus. CBT. Typically responsive to treatment.
Insurance & billing
Accepted code. Specify the phobic stimulus clearly.
Updates & changes
No significant changes expected.
Documentation pitfalls
Don't overlook phobias that seem unusual. They can cause significant impairment.
References
- American Psychiatric Association. (2022). Diagnostic and Statistical Manual of Mental Disorders (5th ed., text rev.).