has_specified_output laboratory test laboratory result laboratory test creation date: 2009-06-23T11:49:49Z A completed laboratory result might have as output several laboratory results such as a first nonvalidated result directly from the machine 'serum sodium 140 mmol/L' followed by a second validated result 'serum sodium 140 mmol/L'. http://ontology.buffalo.edu/medo/Disease_and_Diagnosis.pdf Albert Goldfain A measurement assay that has as input a patient-derived specimen and as output a data itme that is about a quality of the specimen. The output is not always about a quality of the specimen (it can be e.g. about a temporal duration when assessing the coagulation speed of a blood specimen). health care process assay