In Appendix A of the article “SNMMI and EANM Practice Guideline for Meckel Diverticulum Scintigraphy 2.0,” by Spottswood et al. (J Nucl Med Technol. 2014;42:163–169), the pretreatment oral dose of ranitidine in adults referred for a Meckel scan was incorrectly stated to be 150 mg/kg. The correct dose is 150 mg. The authors regret the error.