F31.89
BillableOther bipolar disorder
HCC Category Mapping
V28HCC 154 — Bipolar Disorders
0.265V24HCC 59 — Major Depressive, Bipolar, and Paranoid Disorders
0.309ESRDHCC 59 — Major Depressive, Bipolar, and Paranoid Disorders
0.000RxHCCHCC 131 — Bipolar Disorders
0.000What This Code Means
Bipolar disorder that does not fit neatly into the standard Bipolar I or Bipolar II categories, such as rapid cycling or other atypical presentations.
Coding Tips
Clinical Significance
Other bipolar disorder captures bipolar spectrum presentations that do not fit neatly into standard bipolar I, bipolar II, or cyclothymic categories. This may include bipolar disorder not otherwise specified, short-duration hypomanic episodes, or other atypical presentations that the provider recognizes as belonging to the bipolar spectrum. Accurate coding ensures these patients receive appropriate psychiatric care management.
Documentation Requirements
- ✓Provider documentation of a bipolar spectrum condition that does not meet criteria for bipolar I, II, or cyclothymia
- ✓Description of the specific atypical features or presentation
- ✓History of mood episodes supporting a bipolar spectrum diagnosis
- ✓Current treatment plan appropriate for bipolar spectrum conditions
- ✓Rationale for why the standard bipolar categories do not apply
Commonly Confused Codes
F31.9 — Bipolar disorder, unspecified: Use when no further specification is available at all; F31.89 implies the provider has identified specific features that are atypicalF31.81 — Bipolar II disorder: Specific well-defined bipolar subtypeF34.0 — Cyclothymic disorder: Chronic subsyndromal mood cyclingF39 — Unspecified mood disorder: Even less specific, should not be used when bipolar spectrum is identified
Code Hierarchy
└F31Bipolar disorder└F31.8Other bipolar disorders└F31.89Other bipolar disorder
└F31.89Other bipolar disorder