Height and length (portable Seca board) will be measured according to standard guidelines
Direct answer: The most common reasons are plan exclusion, missing prior authorization, not meeting BMI rules, or weak documentation
Phentermine is presented as a central nervous system catecholamine stimulant, and orlistat as a pancreatic lipase inhibitor the article says cuts dietary fat absorption by roughly 30 percent

A meta-regression study suggested a linear relationship between HbA1c reduction and MACE risk in patient with arGLP-1.89 Publication on mediation analyses also suggest that cardiovascular benefit could be mediated in part by effects on HbA1c, on blood pressure or reduction in urine albumin-creatinine ratio90,91 (see below), as well as by their effect on lipid profile.81 However, in subgroup analyses of cardiovascular safety studies, baseline HbA1c, weight, previous cardiovascular disease, or renal function did not predict the beneficial effects of these drugs on MACE,87 so other mechanisms, such as the previously mentioned anti-inflammatory, antifibrotic, antiatherogenic, vasodilator, or endothelial function-enhancing effects, have been suggested to influence the cardiovascular benefit of these drugs29,78 (Fig