QUESTION: I need a bed that is a maximum of 18 inches high including mattress and has a bed rail at least on one side ANSWER: You may consider our low hospital bed that is designed with lowest height possible. The following model has the lowest height of 9.5" plus a mattress that is generally 7". So the total height is about 16.5". You can select a bed package with mattress and bed rails. http://ucanhealth.com/goto.php?page=detail.php&graph1=WL0608 For more discussions, options and details about the product, or to order the product, please click here The univeral homecare full bed rails can be purchased separately or together with bed frame and mattress as a package. Go to hospital bed page for details of the packages. Competitive price and free shipping. This pair of full bed rails can be used with Universal and WhisperLite™ II Homecare Beds (full-electric and semi-electric).  Mounts to fabric spring of bed utilizing two spring-loaded cross bars. Telescoping, chrome-plated steel rails with chrome finish cross bars.  Tool-free installation.  Not recommended for institutional use.  Designed to meet the requirements of HCPCS code: E0310. Three year limited warranty.