F34.1 – Dysthymic disorder
ICD-10-CM 2027 diagnosis code · Mood [affective] disorders
ICD-10-CM code
F34.1
- Code
F34.1(claims format:F341)- Description
- Dysthymic disorder
- 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
- F30-F39 Mood [affective] disorders
- Parent codes
- F34
Notes for F34.1
Applicable to:
- Depressive neurosis
- Depressive personality disorder
- Dysthymia
- Neurotic depression
- Persistent anxiety depression
- Persistent depressive disorder
Excludes2 (not included here):
- anxiety depression (mild or not persistent) (F41.8)
Index terms for F34.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Dysthymia
- Depression, nervous
- Disorder, dysthymic
- Depression, neurotic
- Personality, depressive
- Personality, hypothymic
- Depression, psychoneurotic
- State, depressive, neurotic
- Reaction, neurotic-depressive
- Neurosis, neurotic, depressive
- Reaction, depressive, neurotic
- Depression, anxiety, persistent
- Disorder, depressive, persistent
- Disorder, personality, depressive
- Disorder, personality, hypothymic
- Reaction, depressive, psychoneurotic
- Reaction, psychoneurotic, depressive
- Disorder, mood, persistent, dysthymia
Related codes in F34
Frequently asked questions
What is ICD-10 code F34.1?
F34.1 is the ICD-10-CM code for dysthymic disorder, in the block F30-F39 (Mood [affective] disorders).
Is F34.1 a billable code?
Yes. F34.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F34.1 belong to?
It belongs to category F34 – Persistent mood [affective] 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.