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Nexus Letters for Bipolar Disorder
Licensed Psychologist, PhD, Counseling Psychology | Patriot Path Medical Team
Specializing in VA mental health evaluations and independent psychological assessments • Last updated: June 2026
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Bipolar disorder swings between deep lows and high, wired-up periods. The high can feel productive at first, then it crashes. For many veterans the first real episode hit during their service years, which is exactly when bipolar tends to show up.
A nexus letter can tie that to your service. It matters most when your records show the early signs but never named them. Our psychologists and physicians write evidence-based letters that connect your bipolar disorder to your service, in plain, VA-ready language.
How VA Rates Bipolar Disorder (DC 9432)
VA rates bipolar disorder under 38 C.F.R. § 4.130, DC 9432, the same General Rating Formula used for all mental health conditions. The level depends on how much it affects your work and your relationships, not on matching every symptom. Use the estimator below to see roughly where your situation may fall.
| Rating | What it generally takes | Monthly pay (approx) |
|---|---|---|
| 0% | Diagnosed, but symptoms are mild enough that they do not affect work or social life and need no regular medication. | $0 |
| 10% | Mild symptoms that lower work efficiency only during stress, or symptoms controlled by continuous medication. | ~$180/mo |
| 30% | Occasional dips in work efficiency; generally functioning well, with normal routine, self-care, and conversation. | ~$552/mo |
| 50% | Reduced reliability and productivity: panic attacks more than once a week, memory or concentration trouble, flattened mood. | ~$1,133/mo |
| 70% | Deficiencies in most areas (work, family, mood, judgment): near-continuous depression or panic, suicidal thoughts. | ~$1,808/mo |
| 100% | Total occupational and social impairment: symptoms so severe you cannot work or keep relationships. | ~$3,939/mo |
Pay figures are approximate 2026 rates (effective December 1, 2025) for a single veteran with no dependents. Check VA.gov for current amounts.
Estimate your likely rating
Answer a few quick questions. This gives a rough idea of where your condition may fall on the VA's scale. It is not a rating decision or medical advice.
Making a VA Disability Claim for Bipolar Disorder
A VA disability claim for bipolar disorder needs three things to line up:
A current diagnosis
A bipolar disorder diagnosis that meets DSM-5 criteria, from a qualified clinician (38 C.F.R. § 4.125).
A service connection
Either symptoms that began in service, or a link to another service-connected condition such as a TBI.
A medical nexus
A qualified opinion that the bipolar disorder is 'at least as likely as not' connected to your service.
Bipolar often first shows up in the late teens and early twenties, the same years many people serve, so an episode during service can support a direct claim even if it was labeled something else at the time. A nexus letter supplies that written opinion. The 'at least as likely as not' standard (a 50% or better chance) comes from the benefit-of-the-doubt rule in 38 U.S.C. § 5107(b), carried out in 38 C.F.R. § 3.102.
How to Connect Your Bipolar Disorder to Service
There are a few ways to tie bipolar disorder to your service. The first manic or depressive episode in service is often the strongest.
Direct connection
The first clear symptoms appeared during service.
- First episode in service. A manic, hypomanic, or depressive episode during active duty, even if the records called it stress or trouble adjusting.
- Records help. Any mental health note, disciplinary record tied to mood, or treatment in service supports a direct claim.
Secondary connection
Another service-connected condition contributed to the mood instability (38 C.F.R. § 3.310).
- From a TBI. A traumatic brain injury can change mood and impulse control and can contribute to mood symptoms.
- From chronic pain. Chronic pain can worsen mood swings and sleep, which feed the disorder.
Aggravation
You had bipolar disorder before service, and service made it permanently worse.
- Worsened by service. Symptoms intensified during active duty, beyond their natural course.
Secondary Conditions
Bipolar disorder interacts with other conditions, as both a cause and a result. These links point to other body systems, since the VA scores all mental health as one rating.
Bipolar disorder may be secondary to
- Traumatic brain injury (TBI). Brain injury can change mood and impulse control.
- Chronic pain or poor sleep. Both destabilize mood and can deepen episodes.
Conditions that may follow bipolar disorder
- Sleep disturbances. Mania and depression both disrupt sleep.
- Metabolic and weight changes. Some bipolar medications drive weight gain and metabolic issues.
- Cardiovascular strain. Long-term stress and poor sleep can raise blood pressure.
What to Gather - Evidence Checklist
Gather these before you file or ask for a letter. Tick each off as you go.
Frequently Asked Questions
How does the VA rate bipolar disorder?
Bipolar disorder is rated 0 to 100 percent under 38 C.F.R. 4.130 (DC 9432), based on how much it affects your work and relationships. If you have more than one mental health diagnosis, the VA gives a single combined rating, not separate ones.
Can bipolar disorder be service-connected if it runs in my family?
Yes. A family history does not block a claim. What matters is whether your symptoms appeared in service or were made worse by service, which a nexus letter can address.
Can bipolar disorder be secondary to another condition?
It can. A TBI or other service-connected condition can contribute to mood instability, established under 38 C.F.R. 3.310. The VA combines multiple mental health diagnoses into one rating, so bipolar disorder is not rated as secondary to another mental health condition. These claims lean heavily on the medical opinion.
Why do bipolar claims get denied?
Common reasons: no clear diagnosis in service, a long gap before diagnosis, or a claim that does not explain how service is connected. A strong nexus letter is built to address those gaps.
What does it cost, and how do we start?
Patriot Path charges $1,500 flat for a nexus letter, and the first consultation is free. Book a consultation and a clinician will tell you straight whether a letter can help.
Make sure your evidence tells the whole story
Let our clinicians prepare a bipolar disorder nexus letter with the detail, structure, and VA-ready language your claim needs.
Sources & Regulatory References
- VA disability compensation (VA.gov) https://www.va.gov/disability/
- 38 CFR 4.130, Schedule of ratings, mental disorders (eCFR) https://www.ecfr.gov/current/title-38/section-4.130
- 38 CFR 3.303, Principles relating to service connection (eCFR) https://www.ecfr.gov/current/title-38/section-3.303
- 38 CFR 3.310, Secondary service connection (eCFR) https://www.ecfr.gov/current/title-38/section-3.310
- 38 U.S.C. 5107, Benefit of the doubt (Cornell LII) https://www.law.cornell.edu/uscode/text/38/5107