F40.9
F40.9: Phobic anxiety disorder, unspecified
Billable / specific codeICD-10-CM
F40.9 is a billable, specific ICD-10-CM code for phobic anxiety disorder, unspecified. It is valid for submission on a claim.
Check F40.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Phobia NOS
- Phobic state NOS
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
F40.9 is named in 4 Medicare coverage policies: 3 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56756Billing and Coding: Home Health - Psychiatric Care
- A57361Billing and Coding: Monitored Anesthesia Care
- A57780Billing and Coding: Psychological and Neuropsychological Tests
Alphabetic index entries that lead here
- Fear complex or reaction
- Phobia, phobic
- Neurosis, neurotic›phobic
- Phobia, phobic›reaction
- Phobia, phobic›state
- Reaction›fear
- Reaction›phobic
- State›phobic
- Disorder›anxiety›phobic
- Disorder›psychogenic NOS›phobic
Code history
Unchanged in every release from FY2024 to FY2027.