VA Disability Conditions: Complete Guide to Ratings, Nexus Letters & Medical Evidence
Authoritative, condition-specific guides covering VA rating criteria, nexus letter requirements, secondary conditions, and the medical evidence that strengthens each claim. Updated for 2026.
How to use this guide: Each condition page covers the VA's rating criteria under 38 CFR, explains what a nexus letter must address for that specific condition, lists common secondary conditions, identifies the key medical evidence that supports the claim, and answers the most frequently asked questions. Use the category sections below to navigate to the conditions most relevant to your situation.
Important Note
Semper Solutus provides medical documentation services and educational information. We do not prepare or submit claims or represent veterans before the VA. This guide is for educational purposes only and does not constitute legal or medical advice. For claims assistance, consult an accredited VA attorney or claims agent.
Additional Resources
Tools & Guides for VA Disability Claims
Use the calculator to estimate your combined rating, read our nexus letter guide, or consult our blog for in-depth articles on VA disability documentation.
VA Rating Calculator
Estimate your combined VA disability rating using the VA's "whole person" combined ratings table. Enter your individual ratings to calculate your combined percentage.
What Is a Nexus Letter?
Learn what a nexus letter is, who writes them, what VA-compliant language looks like, and how to obtain a records-based medical opinion for your claim.
Get a Nexus Letter
Semper Solutus provides MD-authored nexus letters for the conditions listed in this guide. Records-based medical opinions delivered within 7 business days with free revisions.
Need a Nexus Letter for Any of These Conditions?
Our MD-authored nexus letters are records-based, VA-compliant, and delivered within 7 business days. We serve individual veterans, VA disability firms, and accredited claims agents nationwide.
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