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Diagnosis of Bipolar Disorder
Diagnostic Testing in Bipolar Disorder
- Time between episodes
- Time elapsed since the last episode
- Description of manic and depressive episodes
- Family history of mood disorders
- Presence of psychotic symptoms
- Cognitive effects of the episodes
Laboratory Evaluation
Although there is no blood test on which to base a diagnosis of bipolar disorder, the following tests enable the physician to rule out other medical problems that could either account for some of the symptoms or complicate the subsequent treatment of bipolar. These blood tests include:
- Complete blood count (CBC)
- Chemistry panel
- Medication levels
- Toxicology screening
- HIV testing
- Thyroid stimulating hormone (TSH)
People with bipolar disorder often have abnormal thyroid function and consequently the National Institute of Mental Health (NIMH) recommends regular monitoring of thyroid levels. Fluctuating thyroid levels can lead to mood and energy changes. This is especially important for people with rapid cycling episodes who may have an increased incidence of co-morbid thyroid problems.
