Christian Hospital Tank has a well equipped laboratory. They collect statistics of daily tests to be conducted. The lab prepare tests for the respective wards. Tests are conducted as suggested by the Doctor in OPD. The lab department provides information to aid the diagnosis of the patient . The lab conducts tests in chemistry, hematology, immunology; receive, type, test, and record blood bank inventories. They also conducts tests for patient diagnosis and treatment by operating hematology, urinalysis, and coagulation equipment.