Sleep Apnea Nexus Letters
A board-certified physician reviews your records and writes an individualized medical opinion letter connecting your sleep apnea to service. $400 flat rate.
Start My Nexus Letter$50 record review — applied toward your $400 letter.
Pre-Memorial Day Rate — ends May 25
There are several recognized pathways to service-connect obstructive sleep apnea. The right approach depends on your service history and medical records.
Direct Service Connection
If your service treatment records document symptoms during active duty, such as loud snoring, observed apneic episodes, or chronic daytime fatigue, your sleep apnea may be directly connected to service. A sleep study diagnosis after separation does not prevent a direct claim if symptoms began in service.
Secondary to PTSD
This is the most common pathway. PTSD disrupts sleep architecture, increases sympathetic nervous system tone, and contributes to weight gain through medications and reduced physical activity. Each of these mechanisms independently raises the risk of developing obstructive sleep apnea. (Gupta MA, Simpson FC. J Clin Sleep Med. 2015)
Secondary via Obesity as Intermediate
A service-connected orthopedic condition (knee, back, ankle) limits your mobility. Reduced physical activity leads to significant weight gain. Obesity is the single strongest risk factor for obstructive sleep apnea. The causal chain runs: service-connected condition → limited mobility → weight gain → OSA.
Secondary via Medication
Psychotropic medications prescribed for service-connected PTSD, depression, or anxiety, including SSRIs, SNRIs, and atypical antipsychotics, commonly cause significant weight gain. That medication-induced weight gain increases the risk of developing obstructive sleep apnea.
The stronger your supporting evidence, the stronger the medical opinion we can write. Here is what we look for in your records.
- ✓A current sleep study (polysomnography) with your AHI (apnea-hypopnea index) result confirming the diagnosis of obstructive sleep apnea.
- ✓A CPAP or APAP prescription and documentation of ongoing use. This is critical for establishing the 50% rating criteria.
- ✓A documented weight gain trajectory from service to the time of your sleep apnea diagnosis. Enlistment weight, separation weight, and current weight help establish the causal pathway.
- ✓In-service symptoms such as snoring, witnessed apneic episodes, or chronic daytime fatigue, documented in service treatment records or credible buddy statements.
- ✓Medical literature supporting the causal pathway between your service-connected condition and obstructive sleep apnea. We provide this in the letter.
You do not need all five of these elements. Even two or three strong pieces of evidence can support a favorable medical opinion. Upload what you have and we will assess your case.
The VA rates obstructive sleep apnea under Diagnostic Code 6847. Here are the four rating levels.
| Rating | Criteria |
|---|---|
| 100% | Chronic respiratory failure with carbon dioxide retention or cor pulmonale, or requires tracheostomy. |
| 50% | Requires use of a breathing assistance device such as a continuous airway pressure (CPAP) machine. |
| 30% | Persistent daytime hypersomnolence (excessive daytime sleepiness that interferes with daily activities). |
| 0% | Asymptomatic but with a documented sleep disorder breathing condition. |
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