The Playbook › Step 6 of 7: Challenge a bad decision
“Continuity of symptomatology” is VA’s phrase for an unbroken trail of symptoms from service to today. When a decision says there is “no evidence of continuity,” VA is pointing at a gap: something was noted in service, you have a diagnosis now, and there is little in between.
It is one of the most common denial reasons, and it is fixable in two different ways.
The short version
- The denial means VA sees a gap in the record between service and your current diagnosis.
- A gap in medical records is not the same as a gap in symptoms. Lay evidence can fill it.
- Continuity alone can establish service connection only for conditions on VA’s chronic disease list.
- For everything else, and often as the stronger option, use a nexus opinion.
- Respond with a Supplemental Claim and new evidence.
On this page
Why a continuity denial happens
Many veterans leave service, get on with life, and do not see a doctor about a bad back or ringing ears for ten or twenty years. When they finally file, the record shows a complaint in service, then silence, then a diagnosis. The examiner writes that the condition is “less likely than not” related to service because of the gap, and the rater denies.
The reasoning often treats a lack of records as proof that there were no symptoms. Those are different things.
Two routes to service connection
| Continuity route | Nexus route | |
|---|---|---|
| What you show | The condition was noted in service and symptoms have continued ever since | A medical professional’s opinion that the condition is at least as likely as not related to service |
| Works for | Only conditions VA lists as chronic diseases | Any condition |
| Main evidence | Your statement, buddy statements, any treatment records over the years | A reasoned medical opinion |
| Needs a medical opinion? | Not always | Yes |
Which conditions count as chronic
The continuity route applies only to the chronic diseases listed in VA’s regulations. The list includes, among others:
- Arthritis
- Hypertension and other cardiovascular disease
- Diabetes
- Organic diseases of the nervous system, which VA treats as including sensorineural hearing loss and tinnitus
- Peptic ulcers
- Psychoses
- Epilepsy
If your condition is not on the list, for example a muscle strain, sleep apnea, or most skin conditions, continuity of symptoms is still helpful evidence, but it cannot carry the claim by itself. You need a nexus opinion.
Fix 1: Prove continuity, that the symptoms never stopped
Fill the gap with evidence of what was happening during the quiet years.
- Your own statement. Explain what the symptoms were, year by year, and why you did not seek care: no insurance, you self-treated, you did not know you could file, you did not want it on your record. See writing your statement.
- Buddy statements. A spouse who has watched you struggle for fifteen years is strong evidence. See buddy statements.
- Any records at all. Pharmacy receipts, employer physicals, chiropractor visits, urgent care notes, insurance claims, old prescriptions.
- Workplace evidence. Accommodations, job changes, sick leave records.
You are legally competent to describe symptoms you experienced. VA cannot dismiss your account only because no medical record backs it up. It can weigh your credibility, which is why consistency and detail matter.
Fix 2: Get a nexus opinion
This is often the stronger answer, and for non-chronic conditions it is the necessary one. A good opinion will:
- Review your service treatment records and post-service history
- Take your account of ongoing symptoms into consideration
- Explain medically why the current condition is related to the in-service event despite the gap
- Respond directly to the negative C&P opinion
A gap can have a perfectly good medical explanation. Degenerative conditions develop slowly. Many people manage symptoms for years before they become bad enough to need treatment. See nexus letters.
Use both
The strongest response combines them: lay evidence that the symptoms never stopped, and a medical opinion that takes that history into account and explains the link.
How to respond
- Note your one-year deadline from the decision date.
- Get the C&P exam report. Ask your VSO or request your C-file. See exactly what the examiner said about the gap.
- Gather the new evidence.
- File a Supplemental Claim on VA Form 20-0995 and attach it.
If the examiner ignored statements that were already in the file, a Higher-Level Review arguing the exam was inadequate is also an option. See choosing between them.
Check for a presumption
Before doing any of this, check whether your condition is presumptive based on where and when you served. If it is, you do not need to prove continuity or a nexus at all. See the PACT Act, Agent Orange, and Gulf War guides. A chronic disease that appeared to a compensable degree within one year of discharge is also presumed service connected.
Free printable checklist. Everything to gather before you file, what to bring to your C&P exam, and what to check in your decision, on two pages.
Last reviewed October 2026. This guide is general educational information, not legal or medical advice, and this site is not affiliated with the Department of Veterans Affairs. Rules and rates change. Confirm details on VA.gov or with an accredited representative. See our disclaimer and editorial policy.