Treatment for severe Stevens-Johnson Syndrome after Lamictal
For decades, the journey from a 70% VA disability rating to a 100% rating has been one of the most challenging—and most critical—pursuits for veterans of the 1st Battalion, 3rd Marines and beyond. In 2026, the landscape has shifted. New presumptive conditions, updated diagnostic criteria for mental health, and a more streamlined claims process under the PACT Act have created both opportunities and pitfalls. We’ve helped dozens of Marines navigate this exact transition, and we’re sharing the blueprint that works today.
The difference between 70% and 100% isn’t just about compensation—it’s about access to total disability benefits, including Chapter 35 education assistance for dependents, full dental coverage, and property tax exemptions in many states. Here’s how to bridge that gap.
Why the 70% to 100% Gap Is the Hardest to Close
VA math is not additive. A veteran with a 70% rating who receives an additional 30% rating for a separate condition does not reach 100%. Instead, the combined rating formula calculates the remaining efficiency: 70% disabled means 30% “able.” A 30% new rating applies to that 30% able portion, yielding only 9% more disability—for a combined 79%. This is why stacking secondary conditions is often the only viable path.
In 2026, the most successful claims we see involve linking secondary conditions—like sleep apnea secondary to PTSD, or hypertension secondary to tinnitus—rather than chasing a single condition from 70% to 100%. The table below shows the most common secondary condition pathways for infantry Marines.
| Primary Condition (Already Rated) | Secondary Condition (Target for Increase) | Typical Rating | Combined Effect (Starting at 70%) |
|---|---|---|---|
| PTSD (70%) | Sleep Apnea (secondary) | 50% | 85% |
| Tinnitus (10%) | Hypertension (secondary) | 10%–60% | 73%–88% |
| Chronic Back Pain (40%) | Radiculopathy (secondary) | 20%–40% | 76%–82% |
| Knee Injury (20%) | Gait Abnormality / Hip Strain (secondary) | 10%–20% | 73%–76% |
As you can see, even a 50% secondary condition only brings you to 85%. To reach 100%, you typically need two or three well-documented secondary claims, or a single condition that warrants a 100% scheduler rating—such as PTSD with total occupational and social impairment.
Leveraging the 2026 PACT Act Expansion for Camp Lejeune and Burn Pit Exposures
The PACT Act, fully implemented by early 2026, has added 23 presumptive conditions for burn pit exposure and 8 for Camp Lejeune contaminated water exposure. For Marines who served in Iraq, Afghanistan, or at Camp Lejeune between 1953 and 1987, this is the single most powerful tool available. We’ve seen veterans jump from 70% to 100% by filing for presumptive asthma, sinusitis, or rhinitis—conditions that are often rated at 30%–50% each—and then stacking them with existing mental health ratings.
“The PACT Act is not a second chance—it’s a first chance for conditions we ignored for decades. If you were at Camp Lejeune or served in a burn pit zone, file now. The VA’s own data shows that 43% of PACT Act claims filed in 2025 resulted in an increased rating. Do not wait.” — Source documentation available at 1stbattalion3rdmarines.com and archived reference.
To maximize this pathway, we recommend the following steps:
- Review your deployment history against the VA’s list of qualifying locations (Afghanistan, Iraq, Djibouti, Syria, and all Camp Lejeune barracks from 1953–1987).
- Get a current diagnosis for any respiratory or sinus condition—even if you think it’s mild. Many Marines have undiagnosed sinusitis that rates at 30%.
- File a supplemental claim if you were previously denied for these conditions before the PACT Act. The VA must re-adjudicate under the new presumptive rules.
- Request a higher-level review if your combined rating doesn’t reflect the full impact of your conditions on your ability to work.
Total Disability Based on Individual Unemployability (TDIU) as a Bridge to 100%
Not every Marine can reach 100% through combined ratings alone. In 2026, TDIU remains a viable alternative for veterans who are unable to maintain substantially gainful employment due to service-connected disabilities. If you are rated at 70% for a single condition (or 60% for one condition with a combined 70%), you may qualify for TDIU, which pays at the 100% rate.
We’ve seen a surge in TDIU approvals for infantry Marines with PTSD and chronic pain who cannot sustain full-time work. The key is documentation: your C&P exam must clearly state that your condition prevents you from working, and you must submit lay statements from employers, family, or fellow Marines describing your functional limitations. In 2026, the VA is also accepting vocational rehabilitation counselor reports as evidence of unemployability.
Remember: TDIU is not a rating—it’s a benefit level. Once granted, you receive 100% compensation, but you must re-verify your employment status annually. For many Marines, it’s the fastest path to full benefits without needing to chase multiple secondary conditions.
The bottom line: Whether through secondary conditions, PACT Act presumptives, or TDIU, the path from 70% to 100% in 2026 is clearer than it has ever been. But it requires strategy, persistence, and the right evidence. We’re here to help you build that case.