To receive reimbursement for Botox treatment for achalasia, you must meet the coverage and documentation requirements specified in most local medical review policies (LMRPs). Patient Must Meet Criteria for Botox Injection To qualify for covered Botox treatment in Maine, Massachusetts, New Hampshire and Vermont, patients are required by the Medicare Part B carrier to meet one of five criteria: In addition, if after two consecutive treatments in the allowable period (four to six months), patients do not demonstrate improvement, the carrier will discontinue coverage. Most insurers, including Medicare, cover one treatment every 90 days. Include Four Documentation Elements Documentation in the patient's medical record, according to AdminiStar Federal of Kentucky and Indiana, should include: Note: Insurers may request the records for substantiation and coverage.