Introduction: Since the introduction of blood transfusion into clinical practice, its appropriate use has been the subject for debate. It has been reported that only 30% of cross–matched blood is used in elective Surgery. Subsequently a number of authors used the C/T ratio for evaluating blood transfusion practices and C/T ratio of >2.5 was suggested to be indicative of significant blood usage. Objective: Objectives The present study was undertaken to estimate CTR ratio in MICU and find out what is MICU blood transfusion trigger in tertiary care hospitals? Materials and Method: Materials And Methods: A present cross sectional study was conducted in those patients who were admitted in MICU, Rashid Hospital, a tertiary care health facility in Dubai. Study participants, period and sample size: A consecutive and convenience sample of all MICU patients who received packed cell blood transfusion for any reason during the period from 1.12.2016 to 1.4.2017 was selected from the study hospital. Blood utilization indices were computed with the following equation.(i) Cross–match to transfusion ratio (C/T ratio) = number of units cross–matched/number of units transfused. A ratio of 2.5 and below is considered indicative of significant blood usage. Results: Overall quantitative comparison of mean CTR across the Hb trigger categories revealed a significant difference by ANOVA (P= 0.0071). Mean difference in CTR was not found significant for cases reporting with Hb trigger < 7. difference in mean CTR increased with increase in Hb trigger from 7 to 9 and > 9 categories and found significant with Bonferroni multiple comparison test Conclusion: In this study CT ratio was found to be 1.06±0.32 it indicates adequate utilization at this institution. Although this study was based on a single institution observation, the findings provided an insight into the characteristics of blood transfusion recipients and as well aid in future planning of better blood and blood product utilization.