F222026
Billable
Delusional disorders
F22 is a billable ICD-10-CM diagnosis code for Delusional disorders, effective for the FY2026 code set.
Clinical Notes
Frequently Asked Questions
Code Hierarchy
F22
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Related MS-DRGs1
Diagnosis Related Groups for inpatient billing
Official Guidelines
Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders
Official coding guidelines for F01-F99