VA presumptive conditions: the lists and the service that qualifies

For certain conditions and certain service, the VA stops asking you to prove the connection and simply presumes it. It removes the need to prove the medical link between service and the condition (the nexus), but it only pays a veteran who files a claim.

Last reviewed October 2026 · Not legal advice, VA.gov always controls

A VA presumptive condition is one the law treats as connected to service when you have qualifying service and the condition meets the category's rules, so you do not need a separate medical opinion linking them. Each category, such as chronic diseases, Agent Orange, Camp Lejeune, Gulf War illness, and the PACT Act burn pit list, has its own service and timing rules. The presumption does not set your rating (38 CFR § 3.307; § 3.309).

Ordinarily a claim needs three things: a current disability, an in-service event, and evidence linking them, often a medical opinion. That third piece is the nexus.

A presumptive condition supplies it. If you have a listed condition that meets the category's timing rules and you served in a qualifying place, time, or capacity, the VA presumes the condition is related to your service. You do not need a doctor to write an opinion, and the condition does not have to appear in your Service Treatment Records. VA can still rebut the presumption with affirmative evidence of another cause (38 CFR § 3.307(d)).

What a presumption does and does not do

It replaces the nexus. It replaces nothing else. You still need:

• A current diagnosis of the listed condition, from a clinician. A presumption for asthma does you no good if nobody has diagnosed you with asthma. Gulf War undiagnosed illnesses are the exception: they cover symptoms no diagnosis explains.
• Qualifying service, the right place, the right dates, the right duty, depending on which presumption applies.
• To actually file a claim. This is the part that catches people. A presumption is a rule VA applies when it decides a claim, and benefits generally follow a claim you submit. Do not wait for VA to find you.

And severity still has to be documented, because the presumption gets you service connected. It does not set your percentage. That is still decided on the rating criteria and on your evidence of how bad the condition is.

The major presumptive categories

Toxic exposure and the PACT Act

The Sergeant First Class Heath Robinson Honoring our Promise to Address Comprehensive Toxics (PACT) Act was signed in 2022. VA describes it as perhaps the largest health care and benefit expansion in VA history. The Act broadly covers veterans exposed to burn pits and other airborne hazards during Gulf War-era and post-9/11 deployments, and it added conditions to the Agent Orange list as well.

The burn pit and airborne hazard presumptives in 38 U.S.C. § 1120 include asthma diagnosed after service, chronic rhinitis and sinusitis, chronic bronchitis, COPD, emphysema, constrictive or obliterative bronchiolitis, granulomatous disease, interstitial lung disease, pleuritis, pulmonary fibrosis, sarcoidosis, glioblastoma, and several groups of cancer, including head, neck, respiratory, gastrointestinal, reproductive, kidney, brain, pancreatic, lymphoma and melanoma. They apply to veterans assigned to a duty station on or after August 2, 1990, in Bahrain, Iraq, Kuwait, Oman, Qatar, Saudi Arabia, Somalia or the United Arab Emirates, or on or after September 11, 2001, in Afghanistan, Djibouti, Egypt, Jordan, Lebanon, Syria, Yemen or Uzbekistan, including the airspace above (38 U.S.C. § 1119(c)). A separate, older regulation for fine particulate matter, 38 CFR § 3.320, has its own list and service dates, so do not mix the two. Respiratory ratings under these presumptions are covered in PACT Act respiratory ratings.

If you served in those locations during the covered periods, the list is worth checking even if you feel fine, and worth a claim if you have a listed condition.

Agent Orange and herbicide exposure

Long-standing presumptions cover veterans exposed to herbicides, historically associated with Vietnam-era service but also extending to U.S. and Royal Thai bases in Thailand (anywhere on the base, not only the perimeter), Korea's demilitarized zone, Laos, Cambodia, Guam, American Samoa, and Johnston Atoll. Veterans who were involved in transporting, testing, storing, or other uses of Agent Orange during service can also qualify. For them it depends on their duties rather than a location, so they need service records that show that involvement. The PACT Act both expanded the qualifying locations and added conditions to the list.

The associated conditions include several cancers, ischemic heart disease, Parkinson's disease and parkinsonism, type 2 diabetes, early-onset peripheral neuropathy, and, added by the PACT Act, hypertension and monoclonal gammopathy of undetermined significance. Some carry their own timing rules: chloracne and porphyria cutanea tarda must reach 10 percent within a year of the last qualifying service, for example. The statute's list and the regulation's list in § 3.309(e) are read together, because the regulation has not yet caught up with every statutory addition. For the ratings, see diabetes and hypertension.

Camp Lejeune

Veterans, reservists, and guardsmen who served at Camp Lejeune or MCAS New River for at least 30 cumulative days between August 1953 and December 1987 have presumptive coverage for a set of conditions associated with the contaminated water supply, including several cancers, Parkinson's disease, and aplastic anemia. Family members who lived there may be eligible for healthcare cost reimbursement. A separate legal claims process exists under the Camp Lejeune Justice Act, which is distinct from a VA disability claim. Do not confuse the two, and do not let a law firm advertisement convince you that filing one replaces filing the other.

Gulf War illness

Veterans who served in the Southwest Asia theater of operations, or in Afghanistan, Israel, Egypt, Turkey, Syria, or Jordan, during the Persian Gulf War period have presumptive coverage for medically unexplained chronic multisymptom illnesses, chronic fatigue syndrome, fibromyalgia, and functional gastrointestinal disorders such as irritable bowel syndrome, as well as certain undiagnosed illnesses with symptoms like joint pain, headaches, and neurological complaints. This category is unusual because it does not require a named diagnosis in the way most claims do. VA's page asks that the illness has lasted at least six months. See Gulf War illness ratings and IBS ratings for how these conditions are rated.

Radiation exposure

Atomic veterans, those present at nuclear tests, at Hiroshima or Nagasaki during the occupation, or at certain gaseous diffusion plants, have presumptive coverage for a list of radiogenic cancers.

Prisoners of war and chronic diseases after separation

Former prisoners of war have their own presumptive list keyed to length of captivity. Separately, certain chronic diseases appearing to a compensable degree within a year of separation, arthritis, hypertension, diabetes, psychoses, and others, are presumed service connected under the one-year rule.

Why eligible veterans still do not file

Three reasons, all of them fixable:

1. "I was already denied for that." A denial under the old rules does not bind the VA under new ones. If a condition became presumptive after your denial, file a supplemental claim. In some cases the VA readjudicates automatically, but do not rely on that, and do not wait for a letter that may never come.
2. "I do not think I was exposed." Exposure presumptions are based on where and when you served, not on whether you remember smelling anything. If your dates and locations qualify, exposure is presumed unless there is affirmative evidence you were not exposed.
3. "Someone else needs it more." This is not a fixed pot. Your claim does not reduce anyone else's, and compensation for a condition your service caused is not charity.

How to file a presumptive claim

1. Get the diagnosis. If you suspect a listed condition and have never been evaluated, that is the first appointment to make.
2. Confirm your qualifying service. Your DD-214 or other separation papers, plus military orders and other official service records, can show where and when you served. Travel vouchers and award citations can help fill gaps. Pull them now.
3. File an Intent to File to protect your effective date while you assemble the rest.
4. Submit VA Form 21-526EZ and state plainly which presumption you are claiming under: "claimed as presumptive under the PACT Act for burn pit exposure," for example. Do not make the rater infer it.
5. Document severity. The presumption handles the connection; your treatment records, symptom logs, and lay statements handle the percentage.
6. Look for secondaries. A presumptive condition, once service connected, becomes a primary that other conditions can attach to. See the secondary conditions guide.

Sources

• 38 CFR § 3.307, Presumptive service connection for chronic, tropical, or prisoner-of-war related disease, disease associated with exposure to certain herbicide agents, or disease associated with exposure to contaminants in the water supply at Camp Lejeune; wartime and service on or after January 1, 1947: the timing and service rules for the chronic-disease, prisoner-of-war, herbicide and Camp Lejeune presumptions, including the 10 percent within one year rule for chronic diseases and the 30-day Camp Lejeune rule.
• 38 CFR § 3.309, Disease subject to presumptive service connection: the regulatory disease lists for chronic diseases, former prisoners of war, radiation-exposed veterans, herbicide exposure, and Camp Lejeune.
• 38 CFR § 4.115b, Diagnostic Code 7528: how a genitourinary cancer such as bladder cancer is rated, used in the worked example.
• 38 U.S.C. § 1116, Presumptions of service connection for diseases associated with exposure to certain herbicide agents; presumption of exposure for veterans who served in certain locations: the herbicide presumptions in the statute itself, including parkinsonism, hypertension, and MGUS, and the covered locations and dates, Thailand included. VA.gov's Agent Orange page adds the service requirements VA applies, including veterans involved in transporting, testing, storing, or other uses of Agent Orange.
• 38 U.S.C. § 1117, Compensation for disabilities occurring in Persian Gulf War veterans: Gulf War undiagnosed and chronic multisymptom illnesses, and the countries that count as Persian Gulf service.
• 38 U.S.C. § 1119(c), Covered veterans: the locations and start dates that count as covered service for the burn pit presumptions.
• 38 CFR § 3.317, Compensation for certain disabilities due to undiagnosed illnesses and § 3.320, Claims based on exposure to fine particulate matter: the regulatory Gulf War illness rules and the separate fine particulate matter list and service dates.
• 38 U.S.C. § 1120, Presumption of service connection for certain diseases associated with exposure to burn pits and other toxins: the PACT Act burn pit list of respiratory diseases and cancers, for veterans with the service described in § 1119(c).
• VA.gov, The PACT Act and your VA benefits: covered locations, supplemental claims after an earlier denial, toxic exposure screening for enrolled veterans, and VA's description of the PACT Act as perhaps the largest health care and benefit expansion in VA history.
• VA.gov, Camp Lejeune water contamination: service requirements, the eight presumptive conditions, family member reimbursement, and how the Camp Lejeune Justice Act relates to VA benefits.