F34

Persistent mood [affective] disorders

FY2027Chapter 5: Mental, Behavioral and Neurodevelopmental disorders/F30–F39 Mood [affective] disorders

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

F34 is a non-billable ICD-10-CM code category for persistent mood [affective] disorders. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are F34.0 Cyclothymic disorder; F34.1 Dysthymic disorder; F34.8 Other persistent mood [affective] disorders and F34.9 Persistent mood [affective] disorder, unspecified. Its coding notes include 1 Excludes2 entry.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
  • disorders of psychological development

More specific codes under F34 4