Laboratory system comprising a plurality of laboratories, each laboratory comprising one or more analytical instruments for performing a plurality of analytical tests (T1-n) of biological samples and providing analytical test results (TR1-n) and a remote computer communicatively connected to the laboratories via a communication network, wherein each of the laboratories is configured to define test result validation criteria (C1-n) for validating at least one of the analytical test results (TR1-n) associated with the respective analytical tests (T1-n) of one of the plurality of laboratories, wherein the laboratories are spatially separated from one another, wherein each laboratory includes a computer having an input device for inputting the definition of test result validation criteria, wherein the remote computer is configured to define a plurality of profiles (P1-n) of validation criteria, each profile (P1-n) comprising a plurality of test result validation criteria (C1-n), a predetermined grouping (G1-n) of the plurality of analytical tests (T1-n) and a validation group flag (F1-n) indicating a group (G1-n) of analytical test results (TR1-n) to be validated, wherein the remote computer is configured to assign the profiles (P1-n) of test result validation criteria (C1-n) to one or more of the plurality of laboratories, wherein the plurality of profiles (P1-n) of validation criteria are assigned to geographical locations (106, L1-n) of corresponding laboratories, wherein the remote computer is configured to perform an automatic validation of groups (G1-n) of the analytical test results (TR1-n) according to the profiles (P1-n) of test result validation criteria (C1-n) by means of setting the validation group flag (F1-n) to the groups (G1-n) of analytical test results (TR1-n) to be validated and validating the groups (G1-n) of analytical test results (TR1-n) onto which the validation group flag (F1-n) is set based on the test result validation criteria (C1-n). a plurality of laboratories, each laboratory comprising one or more analytical instruments for performing a plurality of analytical tests (T1-n) of biological samples and providing analytical test results (TR1-n) and a remote computer communicatively connected to the laboratories via a communication network, wherein each of the laboratories is configured to define test result validation criteria (C1-n) for validating at least one of the analytical test results (TR1-n) associated with the respective analytical tests (T1-n) of one of the plurality of laboratories, wherein the laboratories are spatially separated from one another, wherein each laboratory includes a computer having an input device for inputting the definition of test result validation criteria, wherein the remote computer is configured to define a plurality of profiles (P1-n) of validation criteria, each profile (P1-n) comprising a plurality of test result validation criteria (C1-n), a predetermined grouping (G1-n) of the plurality of analytical tests (T1-n) and a validation group flag (F1-n) indicating a group (G1-n) of analytical test results (TR1-n) to be validated, wherein the remote computer is configured to assign the profiles (P1-n) of test result validation criteria (C1-n) to one or more of the plurality of laboratories, wherein the plurality of profiles (P1-n) of validation criteria are assigned to geographical locations (106, L1-n) of corresponding laboratories, wherein the remote computer is configured to perform an automatic validation of groups (G1-n) of the analytical test results (TR1-n) according to the profiles (P1-n) of test result validation criteria (C1-n) by means of setting the validation group flag (F1-n) to the groups (G1-n) of analytical test results (TR1-n) to be validated and validating the groups (G1-n) of analytical test results (TR1-n) onto which the validation group flag (F1-n) is set based on the test result validation criteria (C1-n).