2013 ICD-9-CM Diagnosis Code 301.1
Affective personality disorder
- chronic mood disturbance of at least 2 years' duration involving numerous hypomanic episodes separated by periods of depression or loss of pleasure or interest.
- Affective disorder characterized by alternating and recurring periods of depression and elation, similar to manic depressive disorder but of a less severe nature.
- There are 4 ICD-9-CM codes below 301.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
301.1 Excludes 
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