Medicine and Surgery
Surgery Services
Bariatric Surgery
All bariatric surgery procedures require PA. The approval criteria for PA requests for Medicaid-covered bariatric surgery procedures include all of the following:
- The recipient must have one of the following:
- A body mass index (BMI) of 40 or greater, or
- A BMI of between 35 and 39 with documented high-risk, comorbid medical conditions that have not responded to medical management and are a threat to life (e.g., clinically significant obstructive sleep apnea, Pickwickian syndrome, obesity-related cardiomyopathy, coronary heart disease, medically refractory hypertension, or severe diabetes mellitus), and
- The recipient must have attempted weight loss in the past without successful long-term weight reduction. These attempts may include, but are not limited to, diet restrictions/supplements, behavior modification, physician-supervised weight loss plans, physical activity programs, commercial or professional programs, or pharmacological therapy.
- The prior authorization (PA) request must include clinically documented evidence of all of the following:
- A minimum of six months of demonstrated adherence by the recipient to a physician-supervised weight management program with at least three consecutive months of participation in this program prior to the date of surgery in order to improve surgical outcomes, reduce the potential for surgical complications, and establish the recipient’s ability to comply with postoperative medical care and dietary restrictions. Supporting documentation must include a physician’s assessment of the recipient’s participation and progress throughout the course of the program. A physician’s summary letter is not sufficient supporting clinical documentation.
- Agreement by the recipient to attend a medically supervised postoperative weight management program for a minimum of six months for the purpose of ongoing dietary, physical activity, behavioral/psychological, and medical education and monitoring.
- The recipient must receive a preoperative evaluation by an experienced and knowledgeable multi-disciplinary bariatric treatment team composed of health care providers with medical, nutritional, and psychological experience. This evaluation must include all of the following:
- A complete history and physical examination, specifically evaluating for obesity-related comorbidities that would require preoperative management.
- Evaluation for any correctable endocrinopathy that might contribute to obesity.
- Dietary assessment and counseling.
- Psychological/psychiatric evaluation and clearance to determine the stability of the recipient in terms of tolerating the operative procedure and postoperative sequelae, as well as the likelihood of the recipient participating in an ongoing weight management program following surgery. Recipients receiving active treatment for a psychiatric disorder should receive evaluation by their treatment provider prior to bariatric surgery and be cleared for bariatric surgery.
- The recipient must be 18 years of age or older and have completed growth.
All of the following must be included in the PA request:
- A completed Prior Authorization Request Form (PA/RF), HCF 11018.
- A completed Prior Authorization/Physician Attachment (PA/PA), HCF 11016 (fillable PDF, 66 KB).
- Clinical documentation supporting the criteria.
The following procedures are considered investigational, inadequately studied, or unsafe and therefore are not covered by Wisconsin Medicaid:
- Gastric balloon.
- Biliopancreatic bypass.
- Loop gastric bypass.
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