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F39 ICD-10-CM Code: Unspecified mood [affective] disorder

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

F39

Unspecified mood [affective] disorder

ICD-10-CM diagnosis code · United States clinical modification

Where F39 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Mood [affective] disorders (F30-F39)

  3. 3

    Category F39

    Unspecified mood [affective] disorder

  4. 4

    Code F39

    Unspecified mood [affective] disorder

Notes for this code

Inclusion terms

  • Affective psychosis NOS

Code first

No “code first” instruction is listed for F39.

Use additional code

No “use additional code” instruction is listed for F39.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for F39.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for F39.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

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.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code F39 mean?

F39 is the FY 2027 U.S. ICD-10-CM code for “Unspecified mood [affective] disorder.”

Is F39 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, F39 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 F39 located in ICD-10-CM?

F39 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Mood [affective] disorders (F30-F39) (F30–F39), under category F39, Unspecified mood [affective] disorder.

What coding notes are listed for F39?

Its listed inclusion terms are Affective psychosis NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.