Why MA Plans Denies Bariatric Surgery
BMI does not meet threshold
Supervised weight loss program not completed
Psychological evaluation not documented
Comorbidities not adequately documented
Know Medicare Advantage's Criteria
Medicare Advantage plans must cover all services covered by Original Medicare (CMS NCDs and LCDs) but may require prior auth. Plans use various criteria including InterQual, MCG, and proprietary guidelines.
Key policies to know:
- Must cover all services covered by Original Medicare
- Can require prior authorization not required by Original Medicare
- CMS NCDs and LCDs serve as coverage floor
- Organization determinations must be issued within 14 days (72 hours for expedited)
MA Plans's Specific Approach to Bariatric Surgery
Applicable Policy
CMS NCD 100.1 (Bariatric Surgery for Treatment of Morbid Obesity)
How MA Plans Typically Denies This
CMS NCD 100.1 covers Roux-en-Y, sleeve gastrectomy, and BPD/DS for BMI >= 35 with comorbidity. MA plans cannot add requirements beyond what the NCD specifies, but some try to impose longer supervised weight loss periods.
Your Strategy for This Payer
The CMS NCD does not require a specific supervised weight loss duration -- this is your strongest argument against MA plans that impose 6-month requirements. If the patient meets NCD criteria, the MA plan must cover it.
Key Phrase to Use on the Call
"This patient meets CMS NCD 100.1 criteria for bariatric surgery. The supervised weight loss period imposed by this plan exceeds what the NCD requires, which is not permitted under Medicare Advantage coverage rules."
Building Your Medical Necessity Argument
Document BMI >= 40 or BMI >= 35 with comorbidities
Show completion of 3-6 month supervised weight loss program
Include psychological clearance and nutritional evaluation
List comorbidities with supporting clinical data (A1c, BP, sleep study)
P2P Call Tips for MA Plans
Cite the relevant CMS NCD or LCD -- MA plans cannot deny what Medicare covers
If the service has a CMS NCD, that trumps the MA plan's internal criteria
Reference CMS regulations on MA coverage obligations
Request expedited determination if clinical urgency exists
Guidelines to Reference
- ASMBS/IFSO Guidelines for Bariatric Surgery
- NIH Consensus Statement on Bariatric Surgery
Relevant CPT Codes
Specialty: General Surgery
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