Getting a VA disability rating for sleep apnea requires a confirmed diagnosis from a sleep study, evidence linking the condition to your military service, and a claim filed through the VA’s standard disability compensation process. Most veterans rated for sleep apnea receive a 50% rating because they use a CPAP machine, which translates to significant monthly compensation. The process has specific evidence requirements, and understanding them before you file can make the difference between an approval and a denial.
How the VA Rates Sleep Apnea
The VA evaluates sleep apnea under Diagnostic Code 6847, which covers obstructive, central, and mixed types. There are four rating levels:
- 0% (noncompensable): You have a documented diagnosis but no symptoms that affect daily function.
- 30%: You experience persistent daytime sleepiness (the VA calls this “hypersomnolence”).
- 50%: Your condition requires a breathing assistance device like a CPAP machine.
- 100%: You have chronic respiratory failure with carbon dioxide retention, need a tracheostomy, or experience cor pulmonale (right-sided heart failure caused by lung problems).
The 50% rating is the most common for veterans with sleep apnea because a CPAP prescription is the standard treatment. If your sleep study results lead to a CPAP prescription, that alone satisfies the criteria for 50%. The key is making sure your medical records clearly document that you’ve been prescribed and are using the device.
Three Things the VA Needs to Approve Your Claim
Every VA disability claim, including sleep apnea, requires three elements. Missing any one of them will result in a denial.
First, you need a current diagnosis. For sleep apnea specifically, the VA requires confirmation through a sleep study (polysomnography). A doctor’s clinical opinion alone won’t satisfy this requirement. The Disability Benefits Questionnaire used during VA examinations asks directly whether a sleep study was performed, the date it was done, the facility name, and the results. If you haven’t had a sleep study yet, getting one through the VA or a private provider is your first step.
Second, you need an in-service event, injury, or condition. This could be documentation of snoring or breathing problems noted by fellow service members, weight gain during service, a nasal or facial injury, exposure to airborne hazards, or symptoms recorded in your service treatment records.
Third, you need a medical link (called a “nexus”) between your current sleep apnea and your time in service. This is where most claims succeed or fail.
Connecting Sleep Apnea to Your Service
There are two main paths to establishing a service connection: direct and secondary.
Direct Service Connection
A direct connection means your sleep apnea started during or was caused by your military service. This is stronger if you have service treatment records showing sleep complaints, breathing issues, or if a buddy can attest that you snored heavily or stopped breathing during sleep while on active duty. Lay evidence, including statements from fellow service members submitted on VA Form 21-10210, is accepted and can carry real weight.
The challenge with direct connection is that many veterans weren’t diagnosed until years after separation. Sleep apnea often goes unrecognized during service because sleep studies aren’t routine. If your records are thin, a secondary connection may be the better approach.
Secondary Service Connection
A secondary connection means your sleep apnea was caused or made worse by another condition you’re already service-connected for. This is one of the most common ways veterans successfully claim sleep apnea. Conditions frequently used as the primary link include PTSD, sinusitis, nasal trauma, rhinitis, and obesity related to a service-connected orthopedic injury that limits physical activity.
The PTSD connection is particularly well-documented. Research published in the Journal of Clinical Sleep Medicine found that sleep disturbances are nearly universal among veterans with PTSD, and that the chronic stress and hyperarousal from PTSD can increase the likelihood of developing obstructive sleep apnea. Combat-related sleep deprivation and fragmentation may contribute to both conditions independently, and fatigue appears to be the primary link between the two in post-9/11 veterans. If you’re already rated for PTSD and later develop sleep apnea, this research supports a secondary claim.
The Nexus Letter
A nexus letter is a medical opinion from a doctor stating that your sleep apnea is connected to your service or to a service-connected condition. This is often the single most important piece of evidence in your claim. The letter needs to use specific language: the doctor must state that your sleep apnea is “at least as likely as not” caused by or aggravated by your service or your service-connected condition. That phrase matters because it reflects the VA’s standard of proof, which is a 50% or greater probability.
For secondary claims, the letter should explain the medical reasoning behind the connection. For example, a pulmonologist linking sleep apnea to service-connected sinusitis might explain how chronic nasal inflammation narrows the airway and contributes to obstruction during sleep. A nexus letter that simply states a conclusion without explaining the medical logic behind it is far less persuasive to VA raters.
You can get a nexus letter from a VA provider, but many veterans choose to use a private physician, particularly a specialist in sleep medicine or pulmonology. Private nexus letters tend to be more detailed and more clearly written for the VA’s evidentiary standards. Expect to pay out of pocket for a private nexus opinion if you go that route.
Sleep Apnea Is Not a Presumptive Condition
Despite advocacy efforts from veterans’ groups, the VA has not added obstructive sleep apnea to the list of presumptive conditions under the PACT Act or fine particulate matter exposure rules. When the VA established presumptions for respiratory conditions linked to burn pit and other airborne hazard exposure in 2023, the final list included asthma, rhinitis, and sinusitis, but explicitly excluded sleep apnea.
The VA’s reasoning was that sleep apnea has complex causes, including anatomic factors like craniofacial structure, neck circumference, and pharyngeal wall instability, and that obesity and high BMI are the strongest risk factors. Because of this, the VA determined it couldn’t presume a service connection the way it does for conditions more directly tied to inhalation exposure. This means you still need to prove the connection through direct or secondary evidence rather than relying on deployment history alone.
How to File the Claim
You file using VA Form 21-526EZ, which you can submit online at VA.gov, by mail to the VA Claims Intake Center in Janesville, Wisconsin, by fax, or in person at a regional office. Filing online is the simplest option because your effective date (the date from which back pay is calculated) is automatically set when you start filling out the form, even before you submit it. You then have up to 365 days to finish and submit.
If you plan to file by mail or in person, submit an intent to file form first. This locks in your effective date while you gather evidence, so you don’t lose months of potential retroactive payments. Without it, your effective date won’t be set until your completed application arrives.
Before filing, make sure you have your sleep study results, any relevant service treatment records, buddy statements, and your nexus letter. Working with an accredited Veterans Service Organization representative, claims agent, or attorney costs nothing upfront in most cases and can significantly improve how your claim is organized and presented.
The C&P Exam
After you file, the VA will likely schedule a Compensation and Pension exam. For sleep apnea, the examiner will use the Sleep Apnea Disability Benefits Questionnaire. They’ll verify whether a sleep study was performed, confirm the diagnosis, note what treatment you’re using (particularly whether you’ve been prescribed a CPAP), and assess the severity of your symptoms. The examiner will also be asked to provide an opinion on whether your sleep apnea is related to your service or a service-connected condition.
Bring documentation of your CPAP usage if you have it. Some CPAP machines track compliance data, and this can help demonstrate that the device is medically necessary and actively prescribed. Be honest and thorough about your symptoms, including daytime fatigue, how often you wake at night, and how your sleep apnea affects your ability to work and function.
If Sleep Apnea Prevents You From Working
If your sleep apnea, alone or combined with other service-connected conditions, makes it impossible to maintain steady employment, you may qualify for Total Disability based on Individual Unemployability (TDIU). This pays you at the 100% rate even if your combined rating is lower. To qualify, you need at least one service-connected disability rated at 60% or higher, or two or more service-connected disabilities with at least one rated at 40% and a combined rating of 70% or more. The core requirement is that your service-connected conditions genuinely prevent you from holding a job that provides a livable income.