F48.1 – Depersonalization-derealization syndrome
ICD-10-CM 2027 diagnosis code · Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
ICD-10-CM code
F48.1
- Code
F48.1(claims format:F481)- Description
- Depersonalization-derealization syndrome
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
- Parent codes
- F48
Index terms for F48.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Derealization
- Depersonalization
- Episode, depersonalization
- Disorder, depersonalization
- Syndrome, depersonalization
- Neurosis, neurotic, depersonalization
- State, neurotic, with depersonalization
- Reaction, psychoneurotic, depersonalization
- Psychoneurosis, psychoneurotic, depersonalization
- Neurosis, neurotic, state, with depersonalization episode
Related codes in F48
Frequently asked questions
What is ICD-10 code F48.1?
F48.1 is the ICD-10-CM code for depersonalization-derealization syndrome, in the block F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
Is F48.1 a billable code?
Yes. F48.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F48.1 belong to?
It belongs to category F48 – Other nonpsychotic mental disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.