VA claims
March 28, 2026
Understanding Your VA Disability Rating
Your VA disability rating determines your monthly compensation, access to certain benefits, and sometimes your healthcare costs. Yet the number on your decision letter rarely matches what veterans expect. Ratings are not added like grades on a report card. They follow federal formulas, diagnostic codes, and evidence rules that take time to learn. This guide explains how the system works so you can read your decision with confidence and know when to challenge it.
What the VASRD is
The Veterans Affairs Schedule for Rating Disabilities (VASRD) is the rulebook the VA uses to assign percentage ratings to medical conditions. Each diagnosable condition maps to a diagnostic code with specific rating criteria at 0%, 10%, 30%, 50%, 70%, or 100% depending on severity. For example, a back condition might be rated at 20% if you have painful motion, or higher if you have radiculopathy with documented nerve symptoms.
Rating specialists compare your C&P exam results, service treatment records, and private medical evidence to the criteria in the schedule. If the evidence fits a higher tier, you should receive a higher rating. If the evidence is thin or the examiner did not document key symptoms, you may be rated lower than you expected even when your daily life is significantly affected.
How the combined ratings formula works
When you have more than one service-connected condition, the VA does not add percentages together. It uses the Whole Person theory. You are considered 100% able-bodied before applying the first rating. Each rating reduces what remains, then the next rating applies to the remainder.
Here is a simple example. Suppose you have one condition at 50%. You are 50% disabled and 50% able-bodied. A second condition rated at 30% does not make 80%. It applies to the remaining 50%, so 30% of 50 is 15. Combined, you are 65% disabled, which rounds to 70% for pay purposes. The VA rounds combined ratings to the nearest 10%, with special rules at the end of the scale.
Why 70% plus 30% does not equal 100%
This is the most common point of confusion. Two ratings at 70% and 30% combine to roughly 79%, which rounds to 80%, not 100%. To reach 100% combined through multiple conditions alone, you generally need several high ratings or one condition rated at 100%. Some veterans qualify for Total Disability based on Individual Unemployability (TDIU), which pays at the 100% rate when service-connected conditions prevent substantially gainful work, even if the combined schedular rating is lower.
Bilateral factor: if you have qualifying disabilities on both sides of paired body parts (arms, legs, eyes, etc.), the VA may add a small additional percentage before combining. That can nudge a combined rating across a pay threshold, which is why listing laterality correctly on claims matters.
How to identify conditions rated too low
Read your decision letter alongside the VASRD criteria for each code. Ask whether the examiner documented the symptoms required for the next higher tier. Common gaps include incomplete range-of-motion measurements, missing sleep impairment for mental health claims, or failure to link flare-ups to functional loss.
- Compare your C&P exam report to the rating criteria line by line
- Check for secondary conditions caused by a service-connected disability
- Review whether a lower-rated code should be a different, more accurate code
- Look for effective dates that shortchange how long you have been entitled to pay
Veterans often discover that a single condition was rated at 10% when the file supports 30%, or that a related condition was denied entirely because nexus evidence was weak. Strengthening the record with buddy statements, private medical opinions, and treatment notes can support an increase.
What a supplemental claim is and when to file one
If you have new and relevant evidence, you can file a supplemental claim on VA Form 20-0995. This is appropriate when something changed since your last decision: new diagnoses, worsening symptoms, a nexus letter from a doctor, or service records you did not have before. The supplemental claim reopens review of issues you specify and can lead to an increased rating or a new service connection.
Do not confuse supplemental claims with Higher-Level Review or Board appeals, which have different deadlines and rules. A supplemental claim is often the right first step when you have fresh evidence but the old decision is less than a year old or you missed other appeal windows. If you only disagree without new evidence, you may need a different lane, such as Higher-Level Review.
Effective dates matter. In many cases, an increased rating can pay retroactively to the date you filed the claim or the date entitlement arose, subject to VA rules. Missing filing deadlines can cost tens of thousands in back pay.
Practical next steps
Organize your decision letter, rating codes, and exam reports in one place. Build a timeline of treatment and symptoms. If you plan to file a supplemental claim, label each piece of new evidence and explain how it meets the next rating level. Jengu helps veterans map conditions to VASRD criteria, draft appeal letters, and track deadlines so a complex file does not become an overwhelming pile of paper.
Your rating is not fixed forever. The VA exists to compensate for service-connected disability, and the schedule is designed to be updated when the evidence supports it. Understanding the math and the rules is the first step toward making sure your rating reflects your real health.
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