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December 2016 Texas Medicaid Provider Procedures Manual

Medical and Nursing Specialists, Physicians, and Physician Assistants Handbook : 9 Physician : 9.2 Services, Benefits, Limitations, and Prior Authorization : 9.2.41 Lung Volume Reduction Surgery (LVRS) : Prior Authorization for Lung Volume Reduction Surgery
LVRS must be prior authorized and is limited to clients who have severe emphysema, disabling dyspnea, and evidence of severe air trapping. The following documentation must be submitted with the request for prior authorization:
The forced expiratory volume in one second (FEV1) (maximum of pre- and postbronchodilator values) is less than or equal to 45 percent of the predicted value. If the client is 70 years of age and older, FEV1 is 15 percent of the predicted value or more.
The plasma cotinine is less than or equal to 13.7 ng/ml (if the client is not using nicotine products) or the carboxyhemoglobin is less than or equal to 2.5 percent (if the client is using nicotine products).
To complete the prior authorization process, a provider must mail or fax the request to the TMHP Special Medical Prior Authorization Unit and include documentation of medical necessity.
Prior authorization is not required for the associated preoperative pulmonary surgery services for preparation for LVRS (procedure codes G0302, G0303, and G0304) or the associated postdischarge pulmonary surgery services after LVRS (procedure code G0305).
LVRS is not a benefit in any of the following clinical circumstances:
A medical condition or other circumstance that makes it likely that the client will be unable to complete the preoperative and postoperative pulmonary diagnostic and therapeutic program required for surgery
The client presents with FEV1 less than or equal to 20 percent of predicted value, and either a homogeneous distribution of emphysema on the CT scan or a carbon monoxide diffusing capacity of less than or equal to 20 percent of predicted value (a high-risk group identified in October 2001 by the NETT)
The client satisfies the criteria outlined above and has severe, non-upper-lobe emphysema with a high-exercise capacity. High-exercise capacity is defined as a maximal workload at the completion of the preoperative diagnostic and therapeutic program that is above 25 watts for women or 40 watts for men (under the measurement conditions for cycle ergometry).
Pulmonary hypertension, defined as the mean pulmonary artery pressure of 35 mmHg or greater on the right heart catheterization or peak systolic pulmonary artery pressure of 45 mmHg or greater. Right heart catheterization is required to rule out pulmonary hypertension if the peak systolic pulmonary artery pressure is greater than 45 mmHg on an echocardiogram

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