Depression Secondary to PTSD

Overview

Depression is the most common psychiatric diagnosis that travels with PTSD. A 2013 meta-analysis of 57 studies (6,670 participants) found that 52% of people with current PTSD also had current major depressive disorder, with higher rates in military samples (Rytwinski et al., Journal of Traumatic Stress). The VA National Center for PTSD reports that depression is 3 to 5 times more likely in people with PTSD than in people without it.

For most veterans, though, depression secondary to PTSD usually does not add a second rating. PTSD (DC 9411) and major depressive disorder (DC 9434) are rated under the same General Rating Formula for Mental Disorders (38 CFR § 4.130), and 38 CFR § 4.14 bars “the evaluation of the same manifestation under different diagnoses.” So VA usually assigns one rating for overlapping mental health symptoms. Separate ratings are possible only when medical evidence clearly separates non-overlapping symptoms (38 CFR 4.14; Amberman v. Shinseki, 570 F.3d 1377 (Fed. Cir. 2009)). What a depression diagnosis can do is make sure that single rating reflects all of your impairment.

How Depression Is Connected to PTSD

For secondary service connection, 38 CFR § 3.310(a) requires that the depression be “proximately due to or the result of” the service-connected PTSD; § 3.310(b) covers depression that existed before but was worsened by PTSD. In practice, examiners often conclude that depressive symptoms are part of the same mental disability rather than a separate secondary condition. In that usual situation, the symptoms count toward the shared mental health rating.

Clinically, the overlap is well described. PTSD’s negative changes in mood and thinking (persistent negative emotions, loss of interest, feeling detached) closely resemble depression, and both conditions share sleep disturbance, poor concentration, and social withdrawal. Depression commonly develops after trauma, and the two conditions respond to many of the same treatments, including trauma-focused therapy, CBT, and SSRIs (VA National Center for PTSD).

What the examiner looks at:

• Whether you meet DSM-5 criteria for a depressive disorder in addition to PTSD.
• Whether depressive symptoms began or worsened after PTSD onset, based on your records.
• Whether symptoms can be attributed to one diagnosis or the other. If they cannot be separated, the law requires VA to attribute them to the service-connected condition (Mittleider v. West, 11 Vet. App. 181 (1998)).

When a Depression Diagnosis Still Matters

• Your mental health has worsened. If depression has added symptoms like suicidal ideation, near-continuous depression, or neglect of hygiene, file for an increased rating on your service-connected mental condition and include the depression diagnosis and treatment records.
• Your PTSD claim was denied. Depression cannot be secondary to a condition that is not service connected. Claim it directly (linked to service) or secondary to another service-connected condition, such as chronic pain. VA must also consider any mental disorder reasonably raised by your claim and evidence, not only the diagnosis you named (Clemons v. Shinseki, 23 Vet. App. 1 (2009)).
• Future changes. If PTSD symptoms later ease but depression persists, having depression recognized as part of your service-connected mental disability helps prevent VA from treating the remaining symptoms as unrelated.

Evidence Requirements

• Current diagnosis. A DSM-5 depressive disorder diagnosed by a psychiatrist, psychologist, or other qualified clinician, documented alongside your PTSD diagnosis.
• Service-connected PTSD rating. Your rating decision letter.
• Treatment records. Therapy notes, psychiatric evaluations, medication history, and any hospitalizations or crisis contacts. Records showing onset or worsening of depression after PTSD are the most useful.
• Medical opinion. A clinician’s opinion addressing whether depression is at least as likely as not caused or aggravated by PTSD, and which symptoms (if any) can be attributed to each diagnosis.
• Functional evidence. Lay statements from family or coworkers and employment records showing missed work, reduced productivity, or job loss.

Rating Criteria

Both diagnoses are rated together under the General Rating Formula for Mental Disorders (38 CFR § 4.130). The rating reflects your overall occupational and social impairment:

• 0%: A mental condition has been formally diagnosed, but symptoms are not severe enough either to interfere with occupational and social functioning or to require continuous medication.
• 10%: Occupational and social impairment due to mild or transient symptoms which decrease work efficiency and ability to perform occupational tasks only during periods of significant stress, or symptoms controlled by continuous medication.
• 30%: Occupational and social impairment with occasional decrease in work efficiency and intermittent periods of inability to perform occupational tasks (although generally functioning satisfactorily, with routine behavior, self-care, and conversation normal), due to such symptoms as depressed mood, anxiety, suspiciousness, panic attacks (weekly or less often), chronic sleep impairment, and mild memory loss.
• 50%: Occupational and social impairment with reduced reliability and productivity due to such symptoms as flattened affect; circumstantial, circumlocutory, or stereotyped speech; panic attacks more than once a week; difficulty in understanding complex commands; impairment of short- and long-term memory; impaired judgment; impaired abstract thinking; disturbances of motivation and mood; and difficulty in establishing and maintaining effective work and social relationships.
• 70%: Occupational and social impairment with deficiencies in most areas, such as work, school, family relations, judgment, thinking, or mood, due to such symptoms as suicidal ideation; obsessional rituals; intermittently illogical, obscure, or irrelevant speech; near-continuous panic or depression affecting the ability to function independently; impaired impulse control; spatial disorientation; neglect of personal appearance and hygiene; difficulty in adapting to stressful circumstances; and inability to establish and maintain effective relationships.
• 100%: Total occupational and social impairment, due to such symptoms as gross impairment in thought processes or communication; persistent delusions or hallucinations; grossly inappropriate behavior; persistent danger of hurting self or others; intermittent inability to perform activities of daily living; disorientation to time or place; and memory loss for names of close relatives, own occupation, or own name.

The listed symptoms are examples. Under 38 CFR § 4.126(a), VA considers the frequency, severity, and duration of symptoms and all evidence of record, not only how you present on exam day.

C&P Exam Tips

The exam is usually completed on the VA Mental Disorders or PTSD Review Disability Benefits Questionnaire (DBQ).

• Describe both diagnoses’ symptoms. Loss of interest, hopelessness, worthlessness, appetite change, and low energy are depression features the examiner may not ask about if the focus is PTSD.
• Give the timeline. When depressive symptoms began or worsened relative to your PTSD.
• Describe typical days and bad days accurately. Explain how often bad days happen and how long they last, with concrete examples of their effect on work, relationships, and self-care.
• Report suicidal thoughts honestly. Suicidal ideation is a 70% criterion. If you are in crisis, call the Veterans Crisis Line: dial 988, then press 1.
• List all treatment. Therapy, medications and dose changes, hospitalizations.

Nexus Letter Tips

• Who. A psychiatrist or psychologist who knows your history is best placed to write it; VA weighs the reasoning and the records reviewed, not just credentials.
• Standard. Whether depression is “at least as likely as not” (50% or greater probability) caused or aggravated by PTSD, the benefit-of-the-doubt standard VA applies (38 CFR § 3.102).
• What to address. Both diagnoses, the timeline, which symptoms belong to which diagnosis (or a statement that they cannot be separated), and the current overall level of occupational and social impairment.
• Aggravation. If depression predated PTSD, the opinion should describe baseline severity and how PTSD worsened it (38 CFR § 3.310(b)).

Impact on Combined Rating

When overlapping PTSD and depression symptoms receive one mental health rating, there is no combined-rating calculation between them. The effect of a depression diagnosis shows up as a higher single mental health percentage when the total impairment supports it. For example, a veteran rated 50% for PTSD whose records show added depression with suicidal ideation and deficiencies in most areas may be re-rated at 70% for the mental condition as a whole. That single rating then combines with any physical ratings under 38 CFR § 4.25.

Use our VA disability calculator to see how a change in your mental health rating would affect your combined rating.

Correction — October 21, 2026: Clarified that overlapping mental health symptoms usually share one rating, and when separate ratings are possible.

For personalized guidance on your VA disability claim, consult a VA-accredited VSO, attorney, or claims agent.