is there any history of microbiology test results for patient 8116's stool on the current hospital visit?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 8116 and admissions.dischtime is null ) and microbiologyevents.spec_type_desc = 'stool'