If you served in Vietnam, Korea, Thailand, Guam, or other locations now recognized by the VA, you may have been exposed to Agent Orange a toxic herbicide that continues to affect veterans’ health decades later.
Many veterans don’t develop symptoms until years after discharge. That’s why the VA created presumptive disability benefits, removing the burden of proving a medical link for certain conditions.
“Presumptive service connection exists because Agent Orange illnesses often appear long after service ends,” explained by Brian Reese, VA disability expert, said while discussing toxic exposure claims.
Also Read
Disabled Veteran Property Tax Exemption by State 2026 Update: What You Can Claim and How to Apply
This article explains what Agent Orange is, who qualifies, where exposure is recognized, the full presumptive conditions list, and how to apply for VA disability compensation correctly.
What Is Agent Orange?
Agent Orange was a powerful herbicide used by the U.S. military during the Vietnam War to destroy dense jungle vegetation and crops.
It was named after the orange stripe on storage barrels and was part of the military’s “Rainbow Herbicides” program from the early 1960s through the 1970s.
The danger came from dioxin (TCDD) one of the most toxic chemicals ever produced.
Veterans exposed to dioxin later developed cancers, heart disease, neurological disorders, endocrine conditions, and autoimmune illnesses.
“Dioxin exposure doesn’t just fade it embeds itself in the body and disrupts systems for life,” explained by Brian Reese, said while reviewing long-term Agent Orange impacts.
What Is a Presumptive Disability for Agent Orange Exposure?
A presumptive disability means the VA automatically assumes certain conditions were caused by military service.
If you:
- Served in a qualifying location during an approved time period, and
- Have a diagnosed condition on the presumptive list,
then you do NOT need a nexus letter to prove service connection.
This dramatically simplifies VA claims.
Who Is Eligible for Agent Orange Presumptive Benefits?
You may qualify if both conditions are met:
| Requirement | Explanation |
|---|---|
| Diagnosed condition | Must be on the VA Agent Orange presumptive list |
| Qualifying service | Served in an approved location during the covered dates |
“Eligibility hinges on where you served and what you’re diagnosed with not whether you remember exposure,” explained by Brian Reese, said while advising veterans on claims strategy.
Eligible Locations and Time Periods for Agent Orange Exposure
Vietnam Service
- January 9, 1962 – May 7, 1975
- Includes:
- Republic of Vietnam
- Inland waterways (“Brown Water Navy”)
- Offshore waters within 12 nautical miles
Additional Locations Added Under the PACT Act
| Location | Qualifying Dates |
|---|---|
| Thailand military bases | Jan 9, 1962 – Jun 30, 1976 |
| Laos | Dec 1, 1965 – Sep 30, 1969 |
| Cambodia (Mimot/Krek) | Apr 16 – Apr 30, 1969 |
| Guam & American Samoa | Jan 9, 1962 – Jul 31, 1980 |
| Johnston Atoll | Jan 1, 1972 – Sep 30, 1977 |
Korean DMZ
- September 1, 1967 – August 31, 1971
C-123 Aircraft Exposure
- Veterans who worked on contaminated aircraft
Reservists at Specific U.S. Bases
- Ohio, Massachusetts, Pennsylvania (1970s–1980s)
Updated Agent Orange Presumptive Conditions List
The VA now recognizes 50+ conditions as presumptive.
Common Presumptive Conditions
- Type 2 diabetes
- Hypertension (high blood pressure)
- Ischemic heart disease
- Parkinson’s disease and Parkinsonism
- Prostate cancer
- Multiple myeloma
- Non-Hodgkin’s lymphoma
Cancers and Rare Diseases
- Bladder cancer
- Lung, bronchial, larynx, trachea cancers
- Soft tissue sarcomas
- Leukemias
- Amyloidosis
“The presumptive list keeps growing as science confirms what veterans already knew,” explained by Brian Reese, said while reviewing updated VA regulations.
How to Apply for VA Disability Benefits Due to Agent Orange?
Veterans can file claims in five ways:
| Method | Details |
|---|---|
| Online | File through VA.gov (fastest) |
| VA Form 21-526EZ | |
| In-person | VA Regional Office |
| Fax | Domestic or international fax |
| Accredited help | VSO, claims agent, or attorney |
“Online filing is the fastest path but only if your evidence is complete,” explained by Brian Reese, said while coaching veterans on claims filing.
Evidence Required for an Agent Orange Presumptive Claim
You need only two categories of evidence:
1. Medical Evidence
- Diagnosis of a presumptive condition
- VA or private medical records
2. Service Records
- DD-214
- Personnel records
- Orders or awards showing location and dates
No nexus letter is required for presumptive conditions.
What Happens After You File?
- VA verifies service location and dates
- VA confirms diagnosis
- Claim moves directly to rating decision
- Compensation and back pay are calculated
“Presumptive claims often move faster because the VA skips the nexus analysis,” explained by Brian Reese, said while discussing processing timelines.
Agent Orange Back Pay and Effective Dates
You may receive retroactive compensation if:
- Your condition was added later to the presumptive list
- You previously filed and were denied
- You filed within one year of a law change
Back pay can reach tens or hundreds of thousands of dollars depending on rating and timing.
Why Agent Orange Claims Matter Today?
Agent Orange exposure continues to affect veterans and their families decades later.
Presumptive benefits exist to:
- Reduce claim denials
- Speed up compensation
- Acknowledge delayed illnesses
“These benefits exist because the burden should never be on veterans to prove chemical harm decades later,” explained by Brian Reese, said while discussing toxic exposure justice.
FAQs
Do I need to prove exposure to Agent Orange?
No, if you served in a covered location during qualifying dates.
Is hypertension now presumptive?
Yes, hypertension is presumptive under the PACT Act.
Can I get back pay for Agent Orange claims?
Yes, depending on your effective date and prior claims.
What if my condition isn’t on the list?
You can still file, but you’ll need a medical nexus.
Does Agent Orange affect dependents?
Certain birth defects may qualify children for VA benefits.


























