Do You Qualify for Bariatric Surgery?

Figuring out if you qualify for weight-loss surgery can seem complicated at first glance, but it is actually simple. Here is what we consider:

1. Your age — we offer weight loss surgery to people 18 and over.
2. Your medical and psychological fitness for surgery.
3. Your weight and height — these figures tell us your body mass index (BMI for short).
4. Obesity-related medical disease — is it present or absent?
5. Who is paying for the surgery — are you using insurance or self-paying?

Age and medical fitness

These guidelines apply to everyone, regardless of BMI or payor. They are threshold requirements. Meeting them means you can be considered for surgery. If you do not meet them, surgery cannot be offered. They include:

• You are 18 or older.
• You are medically fit for surgery and general anesthesia. This is determined by preoperative evaluation, which may include labs, cardiac clearance, and pulmonary assessment depending on your history.
• You are psychologically ready. It is confirmed with an evaluation from a qualified behavioral health professional.
• You do not have active substance abuse.
• You are not pregnant, and you are willing to postpone pregnancy for roughly 12 to 18 months after surgery.
• You understand the risks.
• You are willing to commit to lifelong dietary change, follow-up visits, and daily vitamin supplementation.

Nearly everyone who wants surgery can meet these, though sometimes there is some work to do. A behavioral health issue or an untreated medical problem usually means a delay rather than a permanent no.

BMI, medical disease, and who is paying

The requirements for BMI and medical conditions depend on the payor. If insurance is paying, these are the requirements:

If insurance is paying

If you are self-paying

If the two tables look different to you at the same BMI, you are reading them correctly. The reason is explained below.

Which conditions count

If your BMI is 35 to 39.9, your insurance company will not cover surgery unless you have a qualifying obesity-related condition. Here are the conditions that most plans accept:

• Type 2 diabetes
• High blood pressure
• Obstructive sleep apnea
• Coronary artery disease or other heart disease
• High cholesterol or other lipid disorder
• Severe osteoarthritis or weight-bearing joint disease
• Fatty liver disease
• Severe gastroesophageal reflux
• Pulmonary hypertension or obesity hypoventilation syndrome

If insurance is paying, they decide which medical problems can qualify you, and different insurers have different rules. It is wise to check if there is any doubt.

Most insurers publish a medical policy that contains their rules. It can usually be found online by googling, "Medical policy for bariatric surgery for [my insurance company]."

Why the BMI thresholds are different if you have insurance

This is the part that confuses people most, and the explanation is straightforward.

Most insurance criteria are based on a National Institutes of Health consensus statement published in 1991 — BMI 40 and above, or 35 and above with a comorbidity. Those thresholds have been embedded in payor policy for more than thirty years.

Medical science has moved on. In 2022, the American Society for Metabolic and Bariatric Surgery and the International Federation for the Surgery of Obesity issued updated indications recommending surgery for anyone with a BMI of 35 or higher regardless of whether they have a related condition, and stating that surgery should be considered for people with metabolic disease at a BMI of 30 to 34.9.

When you are self-paying, current clinical guidelines govern. When insurance is paying, the plan’s policy governs. Sadly, most plans still use the older thresholds.

Two caveats worth knowing

1. If you are of East Asian descent, the thresholds are lower

Body mass index does not carry the same metabolic risk across all populations. At any given BMI, people of East Asian descent tend to have more visceral fat and a higher risk of type 2 diabetes and cardiovascular disease than people of European descent at the same number.

The 2022 ASMBS and IFSO guidelines account for this directly, recommending that BMI risk zones be adjusted to define obesity at a threshold of 25 to 27.5 in this population, and stating that access to surgery should not be denied solely on the basis of traditional BMI thresholds.

In practice this means a patient of East Asian descent at a BMI of 32 may be an entirely appropriate surgical candidate where the same number in another patient would not be. Insurance policies rarely recognize this adjustment, so it usually matters most in the self-pay conversation. It is worth raising at your consultation either way.

2. The transoral procedures have their own BMI windows — including a ceiling

Sleeve gastrectomy and gastric bypass have a floor but no upper limit. The endoscopic procedures, performed through the mouth with no incisions, work differently: they are approved for defined BMI ranges with both a lower and an upper bound. Above the ceiling, they are not the right tool.

Both endoscopic options are generally not covered by insurance, which means the self-pay table is the relevant one for them. They are worth discussing if your BMI falls in the 30 to 40 range, where surgical options may be limited by coverage and the endoscopic options are squarely on label.

What to do next

1. Calculate your BMI. It takes ten seconds and tells you which row you are in.
2. Find out whether you have a qualifying condition. If you have not been evaluated for sleep apnea, diabetes, or fatty liver, you may have one and not know it.
3. Call your insurer and ask two questions: does my plan include a bariatric surgery benefit, and what BMI and documentation does it require. If the benefit does not exist, that changes the whole conversation early rather than late. Our insurance coverage guide has plan-specific details for Virginia and North Carolina.
4. Come in for a consultation. We will confirm where you stand, order what is missing, and give you a straight answer about which options are actually open to you.

This page is general information, not medical advice and not a guarantee of insurance benefits. Individual candidacy is determined through clinical evaluation, and coverage criteria vary by plan. Reviewed August 18, 2026.

Sources

1. Lopez PP, Stefan B, Schulman CI, Byers PM. Prevalence of sleep apnea in morbidly obese patients who presented for weight loss surgery evaluation: more evidence for routine screening for obstructive sleep apnea before weight loss surgery. Am Surg. 2008 Sep;74(9):834-8. PMID: 18807673.
2. Eisenberg D, Shikora SA, Aarts E, et al. 2022 American Society for Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO): Indications for Metabolic and Bariatric Surgery. Surg Obes Relat Dis. 2022.
3. NIH Consensus Development Conference, Gastrointestinal Surgery for Severe Obesity, 1991 — the source of the BMI 40 / BMI 35-with-comorbidity thresholds still used by most payors.
4. FDA, ORBERA Intragastric Balloon System, Summary of Safety and Effectiveness Data, P140008 (indications for use, BMI 30–40).
5. FDA, De Novo classification DEN210045, Apollo ESG and Apollo ESG Sx Systems (indications for use, BMI 30–50).
6. ASMBS, Endorsed Procedures and FDA-Approved Devices.