F34.9 ICD-10-CM Code: Persistent mood [affective] disorder, unspecified
F34.9 is the billable ICD-10-CM code for “Persistent mood [affective] disorder, unspecified” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
F34.9Persistent mood [affective] disorder, unspecified
ICD-10-CM diagnosis code · United States clinical modification
More specific than F34.9
View categoryF34.9 is an unspecified code, for when the note doesn’t say more. If it documents the type, cause, or site, one of these codes may fit better.
Where F34.9 sits
- 1
Chapter 5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- 2
Section
Mood [affective] disorders (F30-F39)
- 3
Category F34
Persistent mood [affective] disorders
- 4
Code F34.9
Persistent mood [affective] disorder, unspecified
Notes for this code
Inclusion terms
No inclusion terms are listed for F34.9.
Code first
No “code first” instruction is listed for F34.9.
Use additional code
No “use additional code” instruction is listed for F34.9.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for F34.9.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for F34.9.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code F34.9 mean?
F34.9 is the FY 2027 U.S. ICD-10-CM code for “Persistent mood [affective] disorder, unspecified.”
Is F34.9 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, F34.9 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is F34.9 located in ICD-10-CM?
F34.9 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Mood [affective] disorders (F30-F39) (F30–F39), under category F34, Persistent mood [affective] disorders.
What coding notes are listed for F34.9?
No inclusion terms are listed for F34.9 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.