Quick Answer
A bipolar depression diagnostic interview explores your current depression and your history of highs: periods of unusual energy, confidence, activity, talkativeness or little need for sleep. The clinician builds a timeline of episodes, asks about family history, medications and substances, and rules out look-alikes like ADHD, borderline features and substance effects.
Understanding bipolar Depression Diagnostic Interview
There’s no blood test or scan that diagnoses bipolar disorder. The diagnosis comes from a careful interview that looks at the whole course of your mood over time. The clinician asks about the current depression, including how long it has lasted, how it affects sleep, appetite, energy and interest, and whether you’re safe. Then the focus widens to the past. Have there been periods when you felt unusually energetic, confident or driven, needed much less sleep without feeling tired, talked faster, had racing thoughts, took more risks or spent more than usual? How long did those periods last, and how did they affect work and relationships? This guide is part of our full set of New York bipolar depression guides.
Those details distinguish bipolar I, where at least one full manic episode has occurred, from bipolar II, where depression alternates with milder hypomania, and from other patterns such as cyclothymia or unipolar depression. Bipolar disorder affects many people: NIMH estimates 2.8% of U.S. adults had bipolar disorder in the past year, and 82.9% of them had serious impairment, the highest share among mood disorders. Accurate diagnosis opens the door to treatment that fits. Our guide on MDQ scoring explains the screening that often comes before this interview.
For New Yorkers who’ve been treated for depression for years without lasting relief, a careful interview can reveal the bipolar pattern underneath. NIMH reports that an estimated 82.9% of adults with bipolar disorder in the past year had serious impairment, the highest share among mood disorders. Secure video visits from anywhere in New York can make it easier to start bipolar care and keep regular follow-ups without extra travel.
Questions about past highs, the timeline of episodes, and ruling out look-alikes are the three parts of the interview this guide covers.
Ruling out look-alikes
Several conditions can resemble bipolar disorder. ADHD can involve distractibility and restlessness that are constant rather than episodic. Borderline personality features can involve rapid mood shifts over hours rather than days. Anxiety can cause racing thoughts and poor sleep. Thyroid problems, sleep disorders and substance effects can mimic mood episodes. Careful questions about timing, duration and triggers help sort these out, and some medical tests may be recommended.
Family history
Bipolar disorder often runs in families. The clinician asks whether parents, siblings or other relatives have had bipolar disorder, depression, suicide, substance problems or hospitalizations for mental health. Family members sometimes received different diagnoses in earlier decades, so descriptions of their behavior can help. Family history doesn’t confirm a diagnosis but can raise or lower the likelihood.
Bipolar Depression Diagnostic Interview at a glance
| Area | Examples of questions |
|---|---|
| Current depression | Mood, sleep, energy, interest, safety |
| Past highs | Little sleep, racing thoughts, risk-taking |
| Timeline | When episodes began, how long they lasted |
| Medications and substances | Antidepressant reactions, alcohol, stimulants |
| Family history | Bipolar disorder, depression, suicide |
Building a timeline
Many clinicians sketch a timeline during the interview, marking when depressive episodes and any highs occurred, how long each lasted, and what was happening in life at the time, like childbirth, a loss, a move, a new job or a change in medication. Patterns often emerge: episodes that start in a certain season, depression that follows highs, or symptoms that began after starting an antidepressant. A timeline also helps track treatment response later. Bringing dates, notes or old records makes it more accurate.
Medication and substance history
The clinician asks which medications you’ve taken for mood, sleep or attention, at what doses and for how long, and how you reacted. Some people describe feeling agitated, wired or unable to sleep after starting an antidepressant, which can be an important clue. Alcohol, cannabis, stimulants and steroids can also cause mood changes. Honest information here is essential, since substances can both mimic bipolar symptoms and make bipolar disorder harder to treat. The goal is understanding, not judgment. Our guides on MDQ scoring and bipolar vs borderline depression cover related topics.
Bipolar diagnosis for New York patients
Bipolar diagnostic interviews work well by secure video from a private space. Visits run by secure video anywhere in New York, while you’re physically in the state. The practice is in-network with Aetna and Cigna; confirm your New York plan with the office, and see self-pay fees on the Good Faith Estimate page.
After the interview
By the end, the clinician shares their impressions: whether bipolar disorder seems likely, which type, and what else may be contributing. Sometimes more than one visit or input from someone close to you is needed. You’ll discuss treatment options, including medications approved for bipolar depression, mood stabilizers, therapy and sleep and routine strategies. Questions are welcome at every step.
When to seek an evaluation
Seek an evaluation if depression keeps returning, started early in life or didn’t improve with antidepressants, or if you’ve had periods of unusual energy, little sleep or risky behavior. A family history of bipolar disorder is another reason. Thoughts of suicide need immediate help through 988, and call 911 in an emergency. Bipolar disorder is treatable, and an accurate diagnosis comes first.

Key Takeaways

- Bipolar disorder is diagnosed by interview, not by a lab test.
- Past highs matter as much as current depression.
- A timeline of episodes clarifies bipolar I, bipolar II or another pattern.
- Look-alikes like ADHD and substance effects are ruled out carefully.
The Bottom Line
Bipolar Depression Diagnostic Interview is common and treatable, and careful care can make daily life feel more manageable.
Frequently Asked Questions
How is bipolar disorder diagnosed?
Bipolar disorder is diagnosed through a careful clinical interview, not a lab test. The clinician asks about current depression and past periods of unusual energy, little sleep or risk-taking. A timeline of episodes is built. Family history, medications and substances are reviewed. Look-alike conditions are ruled out.
What's the difference between bipolar I and bipolar II?
Bipolar I involves at least one full manic episode. Bipolar II involves depression alternating with milder hypomania. Hypomania is shorter and less disruptive but still a real change. Both often involve significant depression. The interview helps tell them apart. An evaluation can clarify what's happening and which options fit.
Why does the clinician ask about my past highs?
Past highs are what distinguish bipolar disorder from unipolar depression. Periods of little sleep, racing thoughts or unusual spending can be clues. People often remember highs as good times rather than symptoms. Describing them helps the diagnosis. Someone close to you may also recall them.
Can an antidepressant reaction suggest bipolar disorder?
Feeling agitated, wired or unable to sleep after starting an antidepressant can be an important clue. A sudden unusual high after starting one is another. These reactions don't prove bipolar disorder. They deserve careful evaluation. Tell your clinician about any such experiences. An evaluation can clarify what's happening and which options fit.
What conditions can look like bipolar disorder?
ADHD, borderline personality features, anxiety, thyroid problems, sleep disorders and substance effects can resemble bipolar disorder. Careful questions about timing, duration and triggers help sort them out. Some medical tests may be recommended. More than one visit is sometimes needed. Getting it right guides treatment.
Can I have a bipolar diagnostic interview by video in New York?
Yes, bipolar diagnostic interviews happen by secure video from a private space anywhere in New York. You need to be physically in New York during the visit. The practice is in-network with Aetna and Cigna; confirm your New York plan with the office. Self-pay fees are listed on the Good Faith Estimate page. Bring notes and dates if you have them.

Where to go from here
- Right now, if you're not safe
- Call or text 988, or call 911.
- If you'd like an evaluation
- See how scheduling and telehealth work on the new patient page.
- If you want to keep reading
- Return to our New York bipolar depression guide for more guides. For more help preparing and finding care, see NIMH’s tips for talking with your health care provider and FindTreatment.gov.
How We Reviewed This Page
Written by Steven Lockhart of Health Marketing Group and clinically reviewed by Gabriella I. Farkas, MD PhD, a board-certified psychiatrist. Clinical information comes from the sources listed below, and the page is reviewed every 180 days or when guidance changes.
What’s new: September 29, 2026. Page published.
References
- National Institute of Mental Health. Bipolar Disorder statistics. https://www.nimh.nih.gov/health/statistics/bipolar-disorder
- University of Washington Psychiatry. The Mood Disorder Questionnaire (MDQ) overview and scoring. https://pcl.psychiatry.uw.edu/wp-content/uploads/2021/12/MDQ.pdf
- 988 Suicide & Crisis Lifeline. https://988lifeline.org/
- Tips for talking with your health care provider. https://www.nimh.nih.gov/health/publications/tips-for-talking-with-your-health-care-provider
- FindTreatment.gov. https://findtreatment.gov/

