A laboratory system for automatically processing at least one sample container containing a biological sample, the laboratory system being self-contained and comprising: a housing; one or more laboratory instrument units provided within the housing and configured to execute processing steps on said biological sample; a sample container input station for loading said sample container into the laboratory system, the sample container input station being configured to receive said sample container; a sample container output station provided as an interface in the housing, through which said sample container can be discharged from the laboratory system after processing; a transport means (103, 104, 105) provided inside the laboratory system and configured to transport said sample container from the sample container input station to the one or more laboratory instrument units, and further to the sample container output station; a control unit for carrying out workflow control and error identification of the laboratory system, the control unit being configured to determine whether said biological sample and/or said sample container is in a condition to be processed by the one or more laboratory instrument units; a sample container input-output station arranged between the sample container input station and the sample container output station and connected with the transport means (103, 104, 105), the sample container input-output station providing an interface between the inside and the outside of the housing; and a workbench provided on the outside of the housing and in front of the sample container input-output station for an operator to be in the position to manipulate said biological sample and/or said sample container determined by the control unit as not in the condition to be processed by the one or more laboratory instrument units; wherein the transport means (103, 104, 105) is further configured to transport a sample container determined by the control unit as error sample container to the sample container input-output station; and wherein the sample container input-output station comprises a transition area, at least one conveyor, and an input-output slot as said interface between the inside and the outside of the housing, the input-output slot comprising a door mechanism and providing access to at least one sample container transported by the at least one conveyor from the inside of the laboratory system through the transition area to the input-output slot. a housing; one or more laboratory instrument units provided within the housing and configured to execute processing steps on said biological sample; a sample container input station for loading said sample container into the laboratory system, the sample container input station being configured to receive said sample container; a sample container output station provided as an interface in the housing, through which said sample container can be discharged from the laboratory system after processing; a transport means (103, 104, 105) provided inside the laboratory system and configured to transport said sample container from the sample container input station to the one or more laboratory instrument units, and further to the sample container output station; a control unit for carrying out workflow control and error identification of the laboratory system, the control unit being configured to determine whether said biological sample and/or said sample container is in a condition to be processed by the one or more laboratory instrument units; a sample container input-output station arranged between the sample container input station and the sample container output station and connected with the transport means (103, 104, 105), the sample container input-output station providing an interface between the inside and the outside of the housing; and a workbench provided on the outside of the housing and in front of the sample container input-output station for an operator to be in the position to manipulate said biological sample and/or said sample container determined by the control unit as not in the condition to be processed by the one or more laboratory instrument units; wherein the transport means (103, 104, 105) is further configured to transport a sample container determined by the control unit as error sample container to the sample container input-output station; and wherein the sample container input-output station comprises a transition area, at least one conveyor, and an input-output slot as said interface between the inside and the outside of the housing, the input-output slot comprising a door mechanism and providing access to at least one sample container transported by the at least one conveyor from the inside of the laboratory system through the transition area to the input-output slot.