F39
BillableUnspecified mood [affective] disorder
HCC Category Mapping
V24HCC 59 — Major Depressive, Bipolar, and Paranoid Disorders
0.309ESRDHCC 59 — Major Depressive, Bipolar, and Paranoid Disorders
0.000RxHCCHCC 132 — Major Depressive Disorder and Other Mood Disorders
0.000What This Code Means
A mood or emotional disorder that cannot be classified into any specific category of depression, mania, or other mood conditions.
Coding Tips
- •This is the least specific mood disorder code and should only be used when no other mood disorder code applies
- •Encourage provider documentation to specify the type of mood disturbance for more accurate coding
Clinical Significance
Unspecified mood disorder is a broad catch-all code used when a provider documents a mood disturbance without specifying whether it is depressive, bipolar, persistent, or episodic. It maps to HCC 59 under V24 with a 0.309 RAF weight, but its lack of specificity makes it a frequent audit target. This code should prompt a query to the provider to determine the exact nature of the mood disorder.
Documentation Requirements
- ✓Provider documentation of a mood disorder or mood disturbance
- ✓Current symptoms described (depressed mood, elevated mood, irritability, etc.)
- ✓Impact on functioning and daily activities
- ✓Mental status examination supporting a mood disorder diagnosis
- ✓Current treatment plan
- ✓Reason why a more specific mood disorder cannot be identified
Commonly Confused Codes
F34.9 (Persistent mood disorder, unspecified) — Use F34.9 when chronicity/persistence is documented but the specific type is unclear; F39 is for any mood disorder without specificationF32.9 (Major depressive disorder, single episode, unspecified) — If depression is specified, use the appropriate F32 code rather than F39F31.9 (Bipolar disorder, unspecified) — If bipolar features are documented, use F31.9 rather than F39F41.9 (Anxiety disorder, unspecified) — Anxiety disorders are distinct from mood disorders; differentiate based on predominant symptom pattern
Code Hierarchy
└F39Unspecified mood [affective] disorder
└F39Unspecified mood [affective] disorder