This study was an analytical and witness based study, its results being applicative, and its time duration being periodic, during the time period of June until January 2013. The current study was done in the Educational-Medical Hospitals of Tehran. The statistical society included all the patients during a month in the Radiology Unit in both hospitals (N=1200). Considering the fact that a load of people coming to the Radiology Unit was around 1200 individuals in any hospital, the case bulk to measure the patients’ consent rate was calculated to be equal to 291 individuals by means of Morgan table. 300 individuals (n+10) were questioned in each hospital to lower the error percentage and the simple accidental sampling method was used for sampling. The method to gather data for the study of the radiology patients’ consent was the field method and its tool was a questionnaire. This questionnaire consisted twelve asks concerning the condition of the unit, 2 related to the waiting duration. The mentioned questionnaire was scaled via Likert scale from 1 to 5 in such a manner that number 1 was relevant to the lowest level of satisfaction and number 5 was related to the great amount of satisfaction, the maximum point being 60 points. Questions relevant to the waiting time duration were separated to 2 sections. The first question was relevant to the time between the entrance and admission of the sick mans and another question was related to the time between the admission and receiving radiology services. The questionnaire was designed by Medical University lecturers and its admissibility–stability was also confirmed by lecturers and also hospitals clinical governance committee. To confirm the credibility and admissibility, the questionnaire was analyzed and confirmed by 10 experts. What is more, is the reality that to specify the consistency of the questionnaire, Cronbach alpha was applied. After gathering the research data, finally, the gathered data were excavated by SPSS copy 21 and, to excavate data, descriptive statistics was used in redundancy, median, standard deviation tables, and deductive statistics including Kelmogroph–Smirnoph test, Uman–Whitney test and K2.