Is F40.228 a billable code?
Yes. F40.228 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
F40.228: Other natural environment type phobia
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
F40.228 is a billable ICD-10-CM diagnosis code for other natural environment type phobia. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with F40.228 already added.Good Faith EstimateStart a cost estimate with F40.228 already added.CMS-1500 Claim FormFill a claim form with F40.228 in box 21.
Other codes in F40.22 Natural environment type phobia
F40.228 questions
What does F40.228 mean?
F40.228 is the ICD-10-CM code for Other natural environment type phobia. It is in chapter 5, Mental, behavioral and neurodevelopmental disorders (F01-F99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.