This paper presents the technical efficiencies of Turkish public hospitals’ intensive care units (ICUs) using the Stochastic Distance Functions under the multiple input-out production technologies. Two estimation models are used in the paper; input-oriented and output-oriented stochastic distance functions which both are described by the translog production technology. The efficiency analysis is made with the sample of 385MoHhospitals for the year 2014. The mean inefficiency of the sample ICUs is found to be %12 (mean efficiency score=0.88) in the input-oriented efficiency model. On the other hand, the mean output-oriented inefficiency is estimated %21. The results of the paper suggest that, in both of input and output oriented model definition, there is significant increasing returns to scale in ICUs’ service production. Teaching and branch hospital ICUs are found to be more efficient than the others.