F31.8
Other bipolar disorders
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
F31code
F01-F99chapter
Excludes2
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 7
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 9 same parent — F31
F31.0 Bipolar disorder, current episode hypomanic F31.1 Bipolar disorder, current episode manic w/o psych features category F31.2 Bipolar disord, crnt episode manic severe w psych features F31.3 Bipolar disord, current episode depress, mild or mod severt category F31.4 Bipolar disord, crnt epsd depress, sev, w/o psych features F31.5 Bipolar disord, crnt epsd depress, severe, w psych features F31.6 Bipolar disorder, current episode mixed category F31.7 Bipolar disorder, currently in remission category F31.9 Bipolar disorder, unspecified
Subordinate codes 2
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.