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ICD-10-CM 2027 diagnosis code

F34.8Other persistent mood [affective] disorders

Not billable — use a more specific code

F34.8 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code last changed in FY2017 (effective October 1, 2016). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About F34.8

F34.8 is the ICD-10-CM diagnosis code for other persistent mood [affective] disorders. It belongs to category F34 (persistent mood [affective] disorders), block F30-F39 (mood [affective] disorders) and chapter 5 (mental, Behavioral and Neurodevelopmental disorders). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within F34, choose F34.8 (Other persistent mood [affective] disorders) only when documentation doesn't support a more specific option: Cyclothymic disorder (F34.0), Dysthymic disorder (F34.1) and persistent mood [affective] disorder, unspecified (F34.9).

To report this condition, pick the subcode that matches the documentation: F34.81 (disorder) and F34.89 (disorders).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2017 (expanded into subcodes).

Specific codes under F34.8

Notes that apply from higher levels

Instructions written at a parent level also apply to F34.8.

Broader instructions also apply from Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • FY2017 (effective 10/1/2016): Expanded — no longer billable

Common questions about F34.8

Is F34.8 billable?

No. F34.8 is a header code. Report one of its more specific subcodes instead.