Clinical Policy: Bariatric Surgery
Defines medical necessity criteria, preoperative evaluation, repeat/conversion surgery indications, investigational and not medically necessary bariatric procedures, and coding guidance for bariatric surgery for members/enrollees of Centene-affiliated health plans. This is part 1 of 2; includes policy statements, background, investigational procedures, not medically necessary procedures, and CPT/HCPCS coding lists present in this part.
Multiple annual revisions updated BMI thresholds for Asian ethnicities, moved Type 2 diabetes to absolute comorbidity, added and clarified numerous comorbidities and preoperative requirements across 2020-2024 revision history.
Reworded investigational language from 'investigational' to 'current medical literature is inadequate to determine safety, efficacy and long-term outcomes' for several procedures.
Added CPT and HCPCS code lists as supporting or not supporting medical necessity (various codes added/removed in multiple revisions).
Corrected policy statement I to require requirements in I.A and I.B to be met instead of L.A-C.
Consolidated preoperative evaluation and medical clearance requirements into L.B.1 through L.B.3 replacing prior L.B. and L.C.
Added chronic kidney disease, infertility, polycystic ovarian syndrome, and heart failure to specified criteria lists; added unstable angina and recent MI (within 60 days) to cardiovascular exclusions/considerations.
Removed one-anastomosis gastric bypass in Criteria III.L as duplicative.
Removed requirement for Helicobacter pylori screening.
Updated L.B.4 to require monthly nutritional counseling and L.B.9 to require GI screening/treatment documentation prior to surgery.
Updated verbiage to clarify nonalcoholic fatty liver disease or nonalcoholic steatohepatitis in criteria.
Updated background and references; stated no impact on clinical criteria in some edits.
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